Chronological Order

1939: 1

Hochbaum, HA.  1939.  Waterfowl studies at Delta, Manitoba, 1938. Trans. N. Amer. Wildl. Conf. 4: 389-394.

1942: 2

Hochbaum, HA.  1942.  Sex and age determination of waterfowl by cloacal examination. Trans. N. Am. Wildl. Conf. 7: 299-307.

Ward, E.  1942.  Phragmites management. Trans. N. Amer. Wildl. Conf. 7: 294-298.

1943: 1

Hochbaum, HA.  1943.  War and waterfowl. Wilson Bulletin 55: 212-214.

1944: 2

Hochbaum, HA.  1944.  Strange actions of a migrating flight of Lesser Scaups. Flicker 16: 77-78.

Hochbaum, HA.  1944.  The Canvasback on a Prairie Marsh. Amer. Wildl. Inst., Washington, DC.

1945: 1

Rowan, W.  1945.  Inheritance and acquired characteristics. Nature 156: 236

1946: 2

Hochbaum, HA.  1946.  Recovery potentials in North American waterfowl. Trans. N. Amer. Wildl. Conf. 11: 403-418.

Hochbaum, HA.  1946.  Status of the Redhead in southern Manitoba. Wilson Bulletin 58: 62-65.

1947: 2

Hochbaum, HA.  1947.  The effect of concentrated hunting pressure on waterfowl breeding stock. Trans. N. Am. Wildl. Conf. 12: 53-64.

Sowls, LK.  1947.  New techniques for breeding ground surveys. Trans. N. Amer. Wildl. Conf. 12: 448-454

1948: 3

Hochbaum, HA.  1948. Harvesting the waterfowl crop. Trans. N. Amer. Wildl. Conf. 13: 481-492.

Smith, RH; Hawkins, AS.  1948. Appraising waterfowl-breeding populations. Trans. N. Amer. Wildl. Conf. 13: 57-62.

Sowls, LK.  1948.  The Franklin ground squirrel, Citellus franklinii (Sabine), and its relationship to nesting ducks. J. Mammal. 29: 113-137.

1949: 4

Kiel, WH Jr.  1949.  Waterfowl productivity in the Newdale-Erickson district of Manitoba. U.S. Fish Wildl. Serv. Spec. Sci. Rep. Wildl. 2: 76-81.

Sanderson, GC.  1949.  Growth and behavior of a litter of captive long-tailed weasels. J. Mammal. 30: 412-415.

Sowls, LK.  1949.  A preliminary report on re-nesting in waterfowl. Trans. N. Am. Wildl. Conf. 14: 260-275.

Sowls, LK.  1949.  Notes on the raccoon (Procyon lotor hirtus) in Manitoba. J. Mammal. 30: 313-314.

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1950: 6

Bossenmaier, EF.  1950.  Waterfowl investigations at Whitewater Lake, Manitoba--1950. U.S. Fish Wildl. Serv. Spec. Sci. Rep. Wildl. 8: 55-58.

Elder, WH.  1950.  Measurement of hunting pressure in waterfowl by means of X-ray. Trans. N. Amer. Wildl. Conf. 15: 490-504.

Kiel, WH Jr.  1950.  Waterfowl breeding population and production in Manitoba Inventory District No. 8.U.S. Fish Wildl. Serv. Spec. Sci. Rep. Wildl. 8: 52-54.

Sanderson, GC.  1950.  Small-mammal populations of a prairie grove. J. Mammal. 31: 17-25.

Sowls, LK.  1950.  Notes on the chronology of the 1950 waterfowl nesting season in southern Manitoba. U.S. Fish Wildl. Serv. Spec. Sci. Rep. Wildl. 8: 59-61.

Sowls, LK.  1950.  Techniques for waterfowl-nesting studies. Trans. N. Am. Wildl. Conf. 15: 478-487.

1951: 6

Bossenmaier, EF.  1951.  Waterfowl investigations at Whitewater Lake, Manitoba--1951. U.S. Fish Wildl. Serv. Spec. Sci. Rep. Wildl. 13: 60-62.

Elder, WH.  1951.  Determination of weasel sex ratios by pelt examination. Journal of Wildlife Management 15: 114-115.Elder, WH.  1954.  The oil gland of birds. Wilson Bulletin 66: 6-31.

Evans, CD.  1951.  A method of color marking young waterfowl. Journal of Wildlife Management 15: 101-103.

Hecht, WR.  1951.  Nesting of the Marsh Hawk at Delta, Manitoba. Wilson Bulletin 63: 167-176.

Hochbaum, HA.  1951.  Administrative aspects of wild-life management. Inst. Public Admin. Canada, 3rd Ann. Conf., Winnipeg pp. 101-112.

Kiel, WH Jr.  1951.  Waterfowl breeding population and production in the Newdale-Erickson district of Manitoba, 1951. U.S. Fish Wildl. Serv. Spec. Sci. Rep. Wildl. 13: 50-59.

1952: 3

Dzubin, A.  1952.  Waterfowl production and behavior study in the Minnedosa pothole district of Manitoba. U.S. Fish Wildl. Serv. Spec. Sci. Rep. Wildl. 21: 71-75.

Evans, CD; Hawkins, AS; Marshall, WH.  1952.  Movements of waterfowl broods in Manitoba. U.S. Fish Wildl. Serv. Spec. Sci. Rep. Wildl. 16: 47pp.

Kiel, WH Jr.  1952.  Waterfowl breeding population and production in the Newdale-Erickson district of Manitoba, 1952. U.S. Fish Wildl. Serv. Spec. Sci. Rep. Wildl. 21: 66-70.

1953: 7

Balham, RW; Elder, WH.  1953.  Colored leg bands for waterfowl. Journal of Wildlife Management 17: 446-449.

Brakhage, GK.  1953.  Migration and mortality of ducks hand-reared and wild-trapped at Delta, Manitoba. Journal of Wildlife Management 17: 465-477.

Kiel, WH Jr.  1953.  Waterfowl breeding population and production in the Newdale-Erickson district of Manitoba, 1953. U.S. Fish Wildl. Serv. Spec. Sci. Rep. Wildl. 25: 81-85.

Kiel, WH Jr.; Hawkins, AS.  1953.  Status of the coot in the Mississippi Flyway. Trans. N. Amer. Wildl. Conf. 18: 311-322.

Nice, MM.  1953.  Some experiences in imprinting ducklings. Condor 55: 33-37.

Southwick, CH.  1953.  A system of age classification for field studies of waterfowl broods. Journal of Wildlife Management 17: 1-8.

Ward, P.  1953.  The American Coot as a game bird. Trans. N. Amer. Wildl. Conf. 18: 322-329

1954: 6

Bossenmaier, EF; Olson, TA; Rueger, ME; Marshall, WH.  1954.  Some field and laboratory aspects of duck sickness at Whitewater Lake, Manitoba. Trans. N. Amer. Wildl. Conf. 19: 163-175.

Dillon, ST.  1954.  Population and production trends on the Delta Marshes of south-central Manitoba-1954. U.S. Fish Wildl. Serv. Spec. Sci. Rep. Wildl. 27: 92-95.

Dzubin, A.  1954.  Waterfowl production--Roseneath study area--1954. U.S. Fish Wildl. Serv. Spec. Sci. Rep. Wildl. 27: 96-98.

Hochbaum, HA; Dillon, ST; Howard, JL.  1954.  An experiment in the control of waterfowl depredations. Trans. N. Amer. Wildl. Conf. 19: 176-185.

Love, A; Love, D.  1954.  Vegetation of a prairie marsh. Bull. Tor. Bot. Club 81: 16-34.

McKinney, F.  1954.  An observation on Redhead parasitism. Wilson Bulletin 66: 146-148.

1955: 7

Dillon, ST.  1955.  Waterfowl population and production trends on the Delta Marshes of south-central Manitoba--1955. U.S. Fish Wildl. Serv. Spec. Sci. Rep. Wildl. 30: 89-92.

Dzubin, A.  1955.  Some evidences of home range in waterfowl. Trans. N. Amer. Wildl. Conf. 20: 278-298.

Dzubin, A.  1955.  Waterfowl populations and production on the Roseneath study area, southern Manitoba--1955. U.S. Fish Wildl. Serv. Spec. Sci. Rep. Wildl. 30: 86-88.

Elder, WH.  1955.  Fluoroscopic measures of hunting pressure in Europe and North America. Trans. N. Amer. Wildl. Conf. 20: 298-322.

Hochbaum, HA.  1955.  Travels and traditions of waterfowl. Univ. Minnesota Press, Minneapolis.

Kiel, WH Jr.  1955.  Nesting studies of the coot in southwestern Manitoba. Journal of Wildlife Management 19: 189-198.

Sowls, LK.  1955.  Prairie ducks. Univ. Nebraska Press, Lincoln.

1956: 4

Collias, NE; Collias, EC.  1956.  Some mechanisms of family integration in ducks. Auk 73: 378-400.

Moynihan, M.  1956.  California Gulls and Herring Gulls breeding in the same colony. Auk 73: 453-454.

Moynihan, M.  1956.  Notes on the behavior of some North American gulls. I. Aerial hostile behavior. Behaviour 10: 126-177.

Weller, MW.  1956.  A simple field candler for waterfowl eggs. Journal of Wildlife Management 20: 111-113.

1957: 5

Collias, EC; Collias, NE.  1957.  The response of chicks of the Franklin's Gull to parental bill-color. Auk 74: 371-375.

Dzubin, A.  1957.  Pairing display and spring and summer flights of the Mallard. Blue Jay 15: 10-13.

Hamilton, WJ, III.  1957.  Blue-winged Teal nest parasitized by Brown-headed Cowbird. Wilson Bull 69: 279.

Weller, MW.  1957.  An automatic nest-trap for waterfowl. Journal of Wildlife Management 21: 456-458.

Weller, MW.  1957.  Growth, weights, and plumages of the Redhead, Aythya americana. Wilson Bulletin 69: 5-38.

1958: 10

Bossenmaier, EF; Marshall, WH.  1958.  Field-feeding by waterfowl in southwestern Manitoba. Wildl. Monogr. 1: 1-32.

Hochbaum, HA.  1958.  The researcher looks at research. Proc. Assoc. Midwest Fish Game Comm. 25: 87-93.

Keith, LB.  1958.  Sex and age ratios among Hungarian Partridge and Sharp-tailed Grouse. Can. Soc. Wildl. Fish. Biol. Ottawa: 14pp.

Keith, LB.  1958.  Some effects of increasing soil salinity on plant communities. Can. J. Bot. 36: 79-89.

Klopman, RB.  1958.  The nesting of the Canada Goose at Dog Lake, Manitoba. Wilson Bulletin 70: 168-183.

McKinney, DF.  1958.  Studies of waterfowl behaviour. Trans. Can. Soc. Wildl. and Fish Biol. Ottawa: 12pp.

Milonski, M. 1958.  The significance of farmland for waterfowl nesting and techniques for reducing losses due to agricultural practices. Trans. N. Am. Wildl. Conf. 23: 215-228.

Moynihan, M.  1958.  Notes on the behavior of some North American gulls. III. Pairing behavior. Behaviour 13: 113-130.

Moynihan, M.  1958.  Notes on the behavior of some North American gulls. II. Non-aerial hostile behavior of adults. Behaviour 12: 95-182.

Weller, MW; Wingfield, BH; Low, JB.  1958.  Effects of habitat deterioration on bird populations of a small Utah marsh. Condor 60: 220-226.

1959: 11

Dillon, ST.  1959.  Breeding of the Least Bittern in Manitoba. Auk 76: 524-525.

Dzubin, A.  1959.  Growth and plumage development of wild-trapped juvenile Canvasback (Aythya valisineria). Journal of Wildlife Management 23: 279-290.

Hamilton, WJ, III.  1959.  Aggressive behavior in migrant Pectoral Sandpipers. Condor 61: 161-179.

McKinney, F.  1959.  Waterfowl at Cold Bay, Alaska, with notes on the display of the Black Scoter. Wildfowl 10: 133-140.

Moynihan, M.  1959.  Notes on the behavior of some North American gulls. IV. The ontogeny of hostile behavior and display patterns. Behaviour 14: 214-238.

Olsen, PF.  1959.  Dental patterns as age indicators in muskrats. Journal of Wildlife Management 23: 228-231.

Olsen, PF.  1959.  Muskrat breeding biology at Delta, Manitoba. Journal of Wildlife Management 23: 40-53.

Rogers, JP.  1959.  Low water and Lesser Scaup reproduction near Erickson, Manitoba. Trans. North American Wildlife and Natural Resources Conference 24: 216-224.

Weller, MW.  1959.  Albinism in Podiceps grisegena and other grebes. Auk 76: 520-521.

Weller, MW.  1959.  Parasitic egg laying in the Redhead (Aythya americana) and other North American Anatidae. Ecol. Monogr. 29: 333-365.

Weller, MW; Ward, P.  1959.  Migration and mortality of hand-reared Redheads (Aythya americana). Journal of Wildlife Management 23: 427-433.

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1960: 5

Hochbaum, HA.  1960.  Wetlands and waterfowl. Blue Jay 18: 164-168.

Keith, LB.  1960.  Observations on Snowy Owls at Delta, Manitoba. Canadian Field-Naturalist 74: 106-112.

Keith, LB; Stanislawski, RP.  1960.  Stomach contents and weights of some flightless adult pintails. Journal of Wildlife Management 24: 95-96.

Phillips, RE; van Tienhoven, A.  1960.  Endocrine factors involved in the failure of Pintail ducks Anas acuta to reproduce in captivity. J. Endocrinol. 21: 253-261.

Tamsitt, JR.  1960.  Notes on the Herpetofauna of the Delta Marsh of Lake Manitoba, Canada. Canadian Field-Naturalist 75: 149-151

1961: 7

Fisher, HI.  1961.  The hatching muscle in North American grebes. Condor 63: 227-233.

Gottlieb, G.  1961.  The following-response and imprinting in wild and domestic ducklings of the same species (Anas platyrhynchos). Behaviour 18: 205-228.

Keith, LB.  1961.  A study of waterfowl ecology on small impoundments in southeastern Alberta. Wildl. Monogr. 6: 1-87.

Keith, LB.  1961.  Three further records of parasitic egg laying by ducks. Auk 78: 93.

McCabe, RA; Mulder, N.  1961.  A history of the Delta decoy. Trans. N. Am. Wildl. Conf. 26: 80-98.

McKinney, DF.  1961.  An analysis of the displays of the European Eider Somateria mollissima mollissima (Linnaeus) and Pacific Eider Somateria mollissima v. nigra Bonaparte. Behaviour, Suppl. VII. 124pp.

Nice, MM; Collias, NE.  1961.  A nesting of the Least Flycatcher. Auk 78: 145-149.

1962: 9

Fisher, HI.  1962.  The hatching muscle in Franklin's Gull. Wilson Bulletin 744: 166-172.

Fisher, JR.  1962.  The hatching muscle of the American Coot. Trans. Ill. State Acad. Sci. 55: 71-77.

Hamilton, WJ, III.  1962.  Celestial orientation in juvenal waterfowl. Condor 64: 19-33.

Hamilton, WJ, III.  1962.  Initial orientation and homing of inexperienced Pintails. Bird Banding 33: 61-69.

Nice, MM.  1962.  Development of behaviour in precocial birds. Trans. Linn. Soc., NY 8: 211pp.

Phillips, RE; McKinney, F.  1962.  The role of testosterone in the displays of some ducks. Animal Behaviour 10: 244-246.

Phillips, RE; van Tienhoven, A.  1962.  Some physiological correlates of Pintail reproductive behavior. Condor 64: 291-299.

Tamsitt, JR.  1962.  Mammals of the Delta Marsh region of Lake Manitoba, Canada. Canadian Field-Naturalist 76: 71-78.

Tamsitt, JR.  1962.  Notes on a population of the Manitoba Toad (Bufo hemiophrys) in the Delta Marsh region of Lake Manitoba, Canada. Ecology 43: 147-150.

1963: 6

Collias, NE; Collias, EC.  1963.  Selective feeding by wild ducklings of different species. Wilson Bulletin 75: 6-14. 

Cornwell, GW.  1963.  New waterfowl host records for Sarcocystis rileyi and a review of sarcosporidiosis in birds. Avian Diseases 7: 212-216.

Cornwell, GW.  1963.  Observations on waterfowl mortality in southern Manitoba caused by Echinuria uncinata (Nematoda, Acuariidae). Canadian Journal of Zoology 41: 699-703.

Cornwell, GW; Bartonek, JC.  1963.  Pseudo-sleeping attitude of the Canvasback. Condor 65: 444-446.

Cornwell, GW; Cowan, AB.  1963.  Helminth populations of the Canvasback (Aythya valisineria) and host-parasite environmental interrelationships. Trans. N. Amer. Wildl. Conf. 28: 173-199.

Stephen, WJD. 1963.  Some responses of female Mallards to disturbances by man. Journal of Wildlife Management 27: 280-283.

1964: 16

Bartonek, JC; Dane, CW.  1964.  Numbered nasal discs for waterfowl. Journal of Wildlife Management 28: 688-692.

Cooch, FG.  1964.  A preliminary study of the survival value of a functional salt gland in prairie Anatidae. Auk 81: 380-393.

de Vos, A.  1964.  Activities of a Mallard (Anas platyrhynchos) brood after hatching. Auk 81: 442.

de Vos, A.  1964.  Observations on the behaviour of captive Trumpeter Swans during the breeding season. Ardea 52: 166-189.

Longcore, JR; Cornwell, GW.  1964.  Consumption of natural foods by captive Canvasback and Lesser Scaup. Mich. Acad. Sci. Arts & Letters 49: 207-215.

Longcore, JR; Cornwell, GW.  1964.  The consumption of natural foods by captive Canvasbacks and Lesser Scaups. Journal of Wildlife Management 28: 527-531.

Nelson, CH.  1964.  Observations on the day-old young of the Spectacled Eider, Somateria fischeri. Auk 81: 219-221.

Olson, DP.  1964.  The use of aerial photographs in studies of marsh vegetation. Maine Agric. Exp. Station Bull. 13: 62pp.

Oring, LW.  1964.  Behavior and ecology of certain ducks during the postbreeding period. Journal of Wildlife Management 28: 223-233.

Oring, LW.  1964.  Egg moving by incubating duck. Auk 81: 88-89.

Oring, LW.  1964.  Predation upon flightless ducks. Wilson Bulletin 76: 190.

Phillips, RE.  1964.  "Wildness" in the Mallard duck: effects of brain lesions and stimulation on "escape behavior" and reproduction. J. Comp. Neurol. 122: 139-155.

Rogers, JP.  1964.  A decoy trap for male Lesser Scaup. J Wildl. Manage. 28: 408-410.

Rogers, JP.  1964.  Effect of drought on reproduction of the Lesser Scaup. Journal of Wildlife Management 28: 213-220.

Teer, JG.  1964.  Predation by long-tailed weasels on eggs of Blue-winged Teal. Journal of Wildlife Management 28: 404-406.

Weller, MW.  1964.  Distribution and migration of the Redhead. Journal of Wildlife Management 28: 64-103.

1965: 12

Bartonek, JC.  1965.  Mortality of diving ducks on Lake Winnipegosis through commercial fishing. Canadian Field-Naturalist 79: 15-20.

Bartonek, JC.  1965.  Some summer and migration observations of Whistling Swans in Manitoba. Canadian Field-Naturalist 79: 217-218.

Buscher, HN.  1965.  Dynamics of the intestinal helminth fauna in three species of ducks. Journal of Wildlife Management 29: 772-781.

Buscher, HN.  1965.  Ectoparasites from Anseriform birds in Manitoba. Canadian Journal of Zoology 43: 219-221.

Hochbaum, HA; Bossenmaier, EF.  1965.  Waterfowl research: accomplishments, needs, objectives. N. Am. Wildl. Conf. 30: 222-228.

McKinney.  1965.  Spacing and chasing in breeding ducks. Wildfowl Trust Ann. Rep. 16: 92-106.

McKinney, F.  1965.  The comfort movements of Anatidae. Behaviour 25: 120-209.

McKinney, F.  1965.  The displays of the American Green-winged Teal. Wilson Bulletin 77: 112-121.

McKinney, F.  1965.  The spring behavior of wild Steller Eiders. Condor 67: 273-290.

Olson, DP.  1965.  Differential vulnerability of male and female Canvasbacks to hunting. Trans. North American Wildlife and Natural Resources Conference 30: 121-135.

Smart, G. 1965. Development and maturation of primary feathers of Redhead ducklings. Journal of Wildlife Management 29: 533-536.

Weller, MW.  1965.  Chronology of pair formation in some nearctic Aythya (Anatidae). Auk 82: 227-235.

1966: 7

Borden, R; Hochbaum, HA.  1966.  Gadwall seeding in New England. North Am. Wildl. Nat. Resour. Conf. 31: 79-88.

Buscher, HN.  1966.  Intestinal helminths of the Blue-winged Teal, Anas discors L., at Delta, Manitoba. Canadian Journal of Zoology 44: 113-116.

Dane, CW.  1966.  Some aspects of the breeding biology of the Blue-winged Teal. Auk 83: 389-402.

Fisher, HI.  1966.  Hatching and the hatching muscle in some North American ducks. Trans. Ill. State Acad. Sci. 59: 305-325.

Hochbaum, HA.  1966.  Delta Waterfowl Research Station. Catalyst 1: 6-10.

Rogers, JP; Korschgen, LJ.  1966.  Foods of Lesser Scaups on breeding, migration, and wintering areas. Journal of Wildlife Management 30: 258-264.

Smith, WJ.  1966.  Communication and relationships in the genus Tyrannus. Nuttal. Ornithol. Club 6: 250pp.

1967: 7

Anderson, DW; Bartonek, JC.  1967.  Additional observations on the status of North American White Pelicans. Condor 69: 311-313.

Hochbaum, HA.  1967.  Contemporary drainage within true prairie of the Glacial Lake Agassiz Basin. Pp. 197-204 in Life, Land and Water, Proc. 1966 Conf. Environ. Studies, Glacial Lake Agassiz Region. Univ. Manitoba Press, Winnipeg.

Longcore, JR.  1967.  Unusual behavior of the Yellow-headed Blackbird. Wilson Bulletin 79: 117-118.

Lynch, GM.  1967.  Long-range movement of a raccoon in Manitoba. J. Mammal. 48: 659-660.

Manuwal, DA.  1967.  Observations on a localized duck sickness in the Delta Marsh, summer, 1964. Wilson Bulletin 79: 219-222.

McKinney, F.  1967.  Breeding behaviour of captive Shovelers. Wildfowl 18: 108-121.

Weller, MW.  1967.  Courtship of the Redhead (Aythya americana). Auk 84: 544-559.

1968: 10

Bossenmaier, EF; Cober, J; Leitch, WG; MacKay, GH; Miller, WR; Moore, DD; Walker, JM; Ward, P.  1968.  The Delta Marsh; its values, problems and potentialities. Tech. Comm. for Development of the Delta Marsh, Man. Dept. of Mines & Nat. Resour. 75pp.

Cornwell, GW.  1968.  Needless duck deaths. Catalyst 2: 15-18.

Dane, CW.  1968.  Age determination of Blue-winged Teal. Journal of Wildlife Management 32: 267-274.

McKinney, F.  1968.  Nest building movements performed by male ducks. Wildfowl 19: 64-66.

Oring, LW.  1968.  Growth, molts and plumages of the Gadwall. Auk 85: 355-380.

Owen, RB, Jr.  1968.  Premigratory behavior and orientation in Blue-winged Teal (Anas discors).Auk 85: 617-632.

Prince, HH; Siegel, PB; Cornwell, GW.  1968.  Embryonic growth of Mallard and Pekin ducks. Growth 32: 225-233.

Smith, RI.  1968.  The social aspects of reproductive behavior in the pintail. Auk 85: 381-396.

Smith, TG.  1968.  Crustacea of the Delta Marsh region, Manitoba. Canadian Field-Naturalist 82: 120-139.

Ward, P.  1968.  Fire in relation to waterfowl habitat of the Delta Marshes. Tall Timbers Fire Ecol. Conf. Trans. 8: 254-267.

1969: 13

Anderson, DL.  1969.  The persistent use of a floating blind by muskrats. American Midland Naturalist 81: 601-602. 

Bartonek, JC.  1969.  Build-up of grit in three pochard species in Manitoba. Wilson Bulletin 81: 96-97.

Bartonek, JC; Hickey, JJ.  1969.  Food habits of Canvasbacks, Redheads, and Lesser Scaup in Manitoba. Condor 71: 280-290.

Bartonek, JC; Hickey, JJ.  1969.  Selective feeding by juvenile diving ducks in summer. Auk 86: 443-457.

Cornwell, GW.  1969.  Gadwall seeding. Florida Wildl. 22: 26-28.

Dzubin, A.  1969.  Assessing breeding populations of ducks by ground counts. Saskatoon Wetlands Seminar, Canadian Wildlife Service Rep. Series No 6:178-230.

Dzubin, A.  1969.  Comments on carrying capacity of small ponds for ducks and possible effects of density on Mallard production. Saskatoon Wetlands Seminar, Canadian Wildlife Service Rep. Series No. 6: 128-160.

McKinney, DF.  1969.  The behaviour of ducks. Pp. 593-626 in The behaviour of domestic animals (ESE Hafez, ed.).Bailliere, Tindall, and Caswell, London.

Oring, LW.  1969.  Summer biology of the Gadwall at Delta, Manitoba. Wilson Bulletin 81: 44-54.

Owen, RB, Jr.  1969.  Heart rate, a measure of metabolism in Blue-winged Teal. Comp. Biochem. Physiol. 31: 431-436.

Prince, HH; Siegel, PB; Cornwell, GW.  1969.  Hatchability, clutch position, and hatching sequence in Mallards. Auk 86: 762-763.

Prince, HH; Siegel, PB; Cornwell, GW.  1969.  Incubation environment and the development of Mallard embryos. Journal of Wildlife Management 33: 589-595.

Smith, WJ.  1969.  Displays of Sayornis phoebe (Aves, Tyrannidae).Behaviour 33: 283-322.

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1970: 11

Dwyer, TJ.  1970.  Waterfowl breeding habitat in agricultural and non-agricultural land in Manitoba. Journal of Wildlife Management 34: 130-136.

Hochbaum, HA.  1970.  Churchill--a pattern for the future? Proc. Conf. Productivity and Conservation in Northern Circumpolar Lands, Edmonton, 1969. Intern. Union for Conserv. of Nature and National Resources, Switzerland; 269-171.

Hochbaum, HA.  1970.  Wildfowling and the law. Trans. N. Amer. Wildl. Nat. Resour. Conf. 35: 313-326.

Hoffman, RH.  1970.  Waterfowl utilization of ponds blasted at Delta, Manitoba. Journal of Wildlife Management 35: 586-593.

McKinney, DF.  1970.  Displays of four species of blue-winged ducks. Living Bird 9: 29-64.

Owen, RB, Jr.  1970.  The bioenergetics of captive Blue-winged Teal under controlled and outdoor conditions. Condor 72: 153-163.

Prince, HH;  Siegel, PB;  Cornwell, GW.  1970.  Inheritance of egg production and juvenile growth in Mallards. Auk 87: 342-352.

Smith, RI.  1970.  Response of pintail breeding populations to drought. Journal of Wildlife Management 34: 943-946.

Smith, WJ.  1970.  Song-like displays in Sayornis species. Behaviour 37: 64-84.

Smith, WJ.  1970.  Displays and message assortment in Sayornis species. Behaviour 37: 85-112.

Zohrer, JJ.  1970.  Observations on premigratory movements of hand-reared Mallards.. Wilson Bulletin 82: 323-324.

1971: 11

Batt, BDJ.  1971.  Gadwall duck learns to fly after breaking a wing. Bird-Banding 42: 301-302.

Cornwell, G; Hochbaum, HA.  1971.  Collisions with wires--a source of Anatid mortality. Wilson Bulletin 83: 305-306.

Dane, CW; Pearson, GL.  1971.  Effect of a spring storm on waterfowl mortality and breeding activity. Pp. 258-267 in Proc. snow and ice in relation to wildlife and recreation symposium (AO Haugen, ed.). Iowa State Univ., Ames.

Hochbaum, PW.  1971.  The Delta Marsh. Manitoba Dept. Mines, Resour. and Environ. Manage., Winnipeg.

Lynch, GM.  1971.  Raccoons increasing in Manitoba. J. Mammal. 52: 621-622.

Masters, MJ.  1971.  Chytridium deltanum n. sp. and other Phycomycets on Oocystis spp. in the Delta Marsh, Manitoba. Can. J. Bot. 49: 471-481.

Masters, MJ.  1971.  The ecology of Chytridium deltanum and other fungus parasites on Oocytis spp. in the Delta Marsh, Manitoba. Can. J. Bot. 49: 75-87.

Masters, MJ.  1971.  The occurrence of Chytridium marylandicum on Botryococcus braunii in School Bay of the Delta Marsh. Can. J. Bot. 49: 1479-1485.

Masters, MJ.  1971.  The occurrence of Phlyctidium scenedesmi on Pediastrum boryanum and Scenedesmus quadricauda in School Bay of the Delta Marsh. Can. J. Bot. 49: 1605-1608.

Masters, MJ.  1971.  The occurrence of Phlyctidium bumilleriae on two growth forms of Saurastrum pinque and other Staurastrum spp. in Lake Manitoba. Can. J. Bot. 49: 1637-1641.

Titman, RD; Lowther, JK.  1971.  Parasitism of Mallard nests by Common Goldeneyes. Canadian Field-Naturalist 85: 323-324.

1972: 15

Austin, FG; Welch, HE.  1972.  The occurrence, life cycle, and pathogenicity of Echinuria uncinata (Rudolphi, 1819) Soloviev, 1912 (Spirurida, Nematoda) in waterfowl at Delta, Manitoba. Canadian Journal of Zoology 50: 385-393.

Batt, BDJ; Cornwell, GW.  1972.  The effects of cold on Mallard embryos. Journal of Wildlife Management 36: 745-751.

Clark, RJ.  1972.  Observations of nesting Marsh Hawks in Manitoba. Blue Jay 30: 43-48.

Clark, RJ.  1972.  Pellets of the Short-eared Owl and Marsh Hawk compared. Journal of Wildlife Management 36: 962-964.

Cooper, JA; Batt, BDJ.  1972.  Criteria for aging Giant Canada Goose embryos. Journal of Wildlife Management 36: 1267-1270.

Cooper, JA; Hickin, JR.  1972.  Chronology of hatching by laying sequence in Canada Geese. Wilson Bulletin 84: 90-92.

Crichton, VFJ; Welch, HE.  1972.  Helminths from the digestive tracts of Mallards and Pintails in the Delta Marsh, Manitoba. Canadian Journal of Zoology 50: 633-637.

Dzubin, A; Gollop, JB.  1972.  Aspects of Mallard breeding ecology in Canadian parkland and grassland. Pp. 113-152 in USFWS Wildl. Res. Rep. No. 2.

Kiel, WH Jr.; Hawkins, AS; Perret, NG.  1972.  Waterfowl habitat trends in the aspen parkland of Manitoba. Canadian Wildlife Service Rep. Ser. 18. 61pp.

Lynch, GM.  1972.  Effect of strychnine control on nest predators of dabbling ducks. Journal of Wildlife Management 36: 436-440.

Phillips, RE.  1972.  Sexual and agonistic behaviour in killdeer (Charadrius vociferus). Animal Behaviour 20: 1-9.

Siegfried, WR.  1972.  Ring-billed Gulls robbing Lesser Scaup of food. Canadian Field-Naturalist 86: 86.

Siegfried, WR.  1972.  Ruddy ducks colliding with wires. Wilson Bulletin 84: 486-487.

Siegfried, WR; Batt, BDJ.  1972.  Wilson's Phalaropes forming feeding associations with Shovelers. Auk 89: 667-668.

Ward, P.  1972.  Production experience with breeding and rearing wild Mallards. Pp. 3-6 in Role of hand-reared ducks in waterfowl management. Dundee, Ill.

1973: 10

Bergman, RD.  1973.  Use of southern boreal lakes by postbreeding Canvasbacks and Redheads. Journal of Wildlife Management 37: 160-170.

Caldwell, PJ.  1973.  Development of thermoregulation in Mallard ducklings. Condor 75: 113-114.

Dane, C; Steffen, W; Caldwell, P.  1973.  Maternal nesting behaviour by male Mallards. Wildfowl 24: 158-161.

McLaughlin, JD; Burt, MDB.  1973.  Changes in the cestode fauna of the Black Duck Anas rubripes (Brewster). Canadian Journal of Zoology 51: 1001-1006.

Sellers, RA.  1973.  Mallard releases in understocked prairie pothole habitat. Journal of Wildlife Management 37: 10-22.

Siegfried, WR.  1973.  Platform-building by male and female Ruddy Ducks. Wildfowl 24: 150-153.

Siegfried, WR.  1973.  Summer food and feeding of the Ruddy Duck in Manitoba.  Canadian Journal of Zoology 51: 1293-1297.

Siegfried, WR.  1973.  Wing molt of Ruddy Ducks in Manitoba. Bull. Br. Ornithol. Club 83: 98-88.

Starkey, EE; Starkey, JF.  1973.  Description of an aerial-predator alarm call for Mallard (Anas platyrhynchos) ducklings. Condor 75: 364-366.

Ward, P; Batt, BDJ.  1973.  Propagation of captive waterfowl: the Delta Waterfowl Research Station system. Wildl. Manage. Institute, Washington, DC.

1974: 14

Anderson, MG.  1974.  American Coots feeding in association with Canvasbacks. Wilson Bulletin 86: 462-463.

Bailey, RO; Batt, BDJ.  1974.  Hierarchy of waterfowl feeding with whistling swans. Auk 91: 488-493.

Caldwell, PJ; Batt, BDJ.  1974.  Snow Goose soaring with White Pelicans. Wilson Bulletin 86: 67-68.

Caldwell, PJ; Snart, AE.  1974.  A photographic index for aging Mallard embryos. Journal of Wildlife Management 38: 298-301.

Clark, RJ; Ward, JG.  1974.  Interspecific competition in two species of open country raptors Circus cyaneus and Asio flammeus. Proc. Pa. Acad. Sci. 48: 79-87.

Lynch, GM.  1974.  Some den sites of Manitoba raccoons. Canadian Field-Naturalist 88: 494-495.

MacInnes, CD; Davis, RA; Jones, RN; Lieff, BC; Pakulak, AJ.  1974.  Reproductive efficiency of McConnell River small Canada Geese. Journal of Wildlife Management 38: 686-707.

Mattson, ME; Evans, RM.  1974.  Visual imprinting and auditory discrimination learning in young of the Canvasback and semi-parasitic Redhead (Anatidae).Canadian Journal of Zoology 52: 421-427.

McLaughlin, JD.  1974.  A redescription of Paradilepis longivaginosus (Mayhew, 1925)(Cestoda: Delipididae) and a comparison with Paradilepis simoni Rausch, 1949 and Paradilepis rugovaginosis Freeman, 1954. Canadian Journal of Zoology 52: 1185-1190.

Sargeant, AB; Kruse, AD; Afton, AD.  1974.  Use of small fences to protect ground bird nests from mammalian predators. Prairie Naturalist 6: 60-63.

Seymour, NR.  1974.  Aerial pursuit flights in the Shoveler. Canadian Journal of Zoology 52: 1473-1480.

Seymour, NR.  1974.  Site attachment in the Northern Shoveler. Auk 91: 423-427.

Seymour, NR.  1974.  Territorial behaviour of wild Shovelers at Delta, Manitoba. Wildfowl 25: 49-55.

Siegfried, WR.  1974.  Time budget behavior among Lesser Scaup on Delta Marsh. Journal of Wildlife Management 38: 708-713.

1975: 8

Batt, BDJ; Cooper, JA; Cornwell, GW.  1975.  The occurrence of twin waterfowl embryos. Condor 77: 214.

Burt, MDB; McLaughlin, JD.  1975.  On two cestode species, parasites of waterfowl, Hymenolepis diorchis Fuhrmann, 1913 and Diorchis diorchis Baer, 1962. Acta Parasitologica Polonica 23: 201-205.

Caldwell, PJ; Cornwell, GW.  1975.  Incubation behavior and temperatures of the Mallard duck. Auk 92: 706-731.

Clark, RJ.  1975.  A field study of the Short-eared Owl, Asio flammeus (Pontoppidan) in North America. Wildl. Monogr. 47: 1-67.

Fritzell, EK.  1975.  Effects of agricultural burning on nesting waterfowl. Canadian Field-Naturalist 89: 21-27.

McLaughlin, JD.  1975.  Observations on the establishment, growth, and development of Hymenolepsis hopkins insi., Schiller, 1951 (Cestoda) in the Mallard. Canadian Journal of Zoology 3: 1892-1897.

McLaughlin, JD; Burt, MDB.  1975.  A contribution to the systematics of three cestode species of the genus Diorchis Clerc, 1903 reported from birds of the genus Fulica L. Acta Parasitologica Polonica 23: 213-221.

Titman, RD; Lowther, JK.  1975.  The breeding behavior of a crowded population of Mallards. Canadian Journal of Zoology 53: 1270-1283.

1976: 13

Anderson, MG; Jones, RE.  1976.  Submerged aquatic vascular plants of East Delta Marsh. Manitoba Department of Renewable Resources and Transportation Services, Wildlife Report.

Anderson, MG; Low, JB.  1976.  Use of sago pondweed by waterfowl on the Delta Marsh, Manitoba. Journal of Wildlife Management 40: 233-242.

Bailey, RO; Jones, RE.  1976.  Mallard mortality in Manitoba's extended spring muskrat-trapping season. Wildlife Society Bulletin 4: 26-28. 

Batt, BDJ.  1976.  Second International Waterfowl Symposium, a review. Wildlife Society Bulletin 4: 81.

Clark, RJ; Stanley, BL.  1976.  Facial feathering of the Marsh Hawk (Circus cyaneus hudsonius), Long-eared (Asio otus) and Short-eared Owl (Asio flammeus) compared. Proc. Pa. Acad. Sci. 50: 86-88.

McLaughlin, JD.  1976.  Experimental studies on the life cycle of Cyclocoelum mutabile (Zeder) (Trematoda: Cyclocoelidae). Canadian Journal of Zoology 54: 48-54.

Nelson, CH.  1976.  A key to downy cygnets with analysis of plumage characters. Wilson Bulletin 88: 4-15.

Siegfried, WR.  1976.  Breeding biology and parasitism in the Ruddy Duck. Wilson Bulletin 88: 566-574.

Siegfried, WR.  1976.  Segregation in feeding behaviour of four diving ducks in southern Manitoba. Canadian Journal of Zoology 54: 730-736.

Siegfried, WR.  1976.  Social organization of Ruddy and Maccoa Ducks. Auk 93: 560-570.

Siegfried, WR; Burger, AE; Caldwell, PJ.  1976.  Incubation behavior of Ruddy and Maccoa Ducks. Condor 78: 512-517.

Stout, IJ; Cornwell, GW.  1976.  Nonhunting mortality of fledged North American waterfowl. Journal of Wildlife Management 40: 681-693.

Titman, RD; Seymour, NR.  1976.  Unusual intensity of fighting in Ring-necked Ducks. Wilson Bulletin 88: 507-508.

1977: 4

Batt, BDJ.  1977.  Individual variation and the analysis of Mallard populations. Pp. 95-102 in Waterfowl and wetlands--an integrated review (TA Bookhout, ed.). Northcentral Section, The Wildl. Soc. Madison, WI.

Hochbaum, GS; Caldwell, PJ.  1977.  The 1973 kill of Canvasback under restrictive hunting regulations, Delta Marsh, Manitoba. Canadian Wildlife Service Progress Notes 76: 1-6.

McLaughlin, JD.  1977.  The migratory route of Cyclocoelum mutabile (Zeder) (Trematoda: Cyclocoelidae) in the American Coot, Fulica americana (Gm.). Canadian Journal of Zoology 55: 274-279.

Siegfried, WR.  1977.  Notes on behaviour of Ruddy Ducks during the brood period. Wildfowl 28: 126-128.

1978: 7

Afton, AD.  1978.  Incubation rhythms and egg temperatures of an American Green-winged Teal and a renesting Pintail. Prairie Naturalist 10: 115-119.

Anderson, MG.  1978.  Distribution and production of sago pondweed (Potamogeton pectinatus L.) on a northern prairie marsh. Ecology 59: 154-160.

Bailey, RO; Seymour, NR; Stewart, GR.  1978.  Rape behavior in Blue-winged Teal. Auk 95: 188-190.

Batt, BDJ; Prince, HH.  1978.  Some reproductive parameters of Mallards in relation to age, captivity, and geographic origin. Journal of Wildlife Management 42: 834-842.

Blohm, RJ.  1978.  Migrational homing of male Gadwalls to breeding grounds. Auk 95: 763-766.

Cooper, JA.  1978.  The history and breeding biology of the Canada Geese of Marshy Point, Manitoba. Wildl. Monogr. 61: 1-87.

Wishart, RA; Knapton, RW.  1978.  Male Pintails defending females from rape. Auk 95: 186-187.

1979: 9

Afton, AD.  1979.  Incubation temperatures of the Northern Shoveler. Canadian Journal of Zoology 57: 1052-1056.

Bailey, RO.  1979.  Methods of estimating total lipid content in the Redhead duck (Aythya americana) and an evaluation of condition indices. Canadian Journal of Zoology 57: 1830-1833. 

Bailey, RO.  1979.  Wild Mallard stocking in a large marsh habitat. Canadian Field-Naturalist 93: 55-62.

Batt, BDJ; Prince, HH.  1979.  Laying dates, clutch size and egg weight of captive Mallards. Condor 81: 35-41.

Blohm, RJ; Ward, P.  1979.  Experience with a decoy trap for male Gadwalls. Bird-Banding.

Bluhm, CK; Ward, EK.  1979.  Great Horned Owl predation on a Short-eared Owl. Condor 81: 307-308.

McKinney, F; Derrickson, S.  1979.  Aerial scratching, leeches and nasal saddles in Green-winged Teal. Wildfowl 30: 151-153.

Scott, ME; McLaughlin, JD; Rau, ME.  1979.  Typhlocoelum cucumerinum (Digenea: Cyclocoelidae): detailed analysis of distribution in wild ducks of southern Manitoba. Canadian Journal of Zoology 57: 2128-2135.

Wishart, RA.  1979.  Indices of structural size and condition of American Wigeon (Anas americana).Canadian Journal of Zoology 57: 2369-2374.

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1980: 9

Afton, AD.  1980.  Factors affecting incubation rhythms of Northern Shovelers. Condor 82: 132-137.

Anderson, MG; Sayler, RD; Afton, AD.  1980.  A decoy trap for diving ducks. Journal of Wildlife Management 44: 217-219.

Batt, BDJ; Black, JA; Cowan, WF.  1980.  The effects of glyphosate herbicide on chicken hatchability. Canadian Journal of Zoology 58: 1940-1942.

Blohm, RJ; Van Dyke, F; Livezey, BC.  1980.  Marsh hawks feeding on waterfowl. Wilson Bulletin 92: 251-252.

Caldwell, PJ.  1980.  Primary shaft measurements in relation to age of Sharp-tailed Grouse. Journal of Wildlife Management 44: 202-204.

Murkin, HR; Ward, P.  1980.  Early spring cutting to control cattail in a northern marsh. Wildlife Society Bulletin 8: 254-256.

Ould, P; Welch, HE.  1980.  The effect of stress on the parasitism of Mallard ducklings by Echinuria uncinata (Nematoda: Spirurida).Canadian Journal of Zoology 58: 228-234.

Stewart, GR; Titman, RD.  1980.  Territorial behaviour of prairie pothole Blue-winged Teal. Canadian Journal of Zoology 58: 639-649.

Wishart, RA; Sealy, SG.  1980.  Late summer time budget and feeding behaviour of Marbled Godwits (Limosa fedoa) in southern Manitoba. Canadian Journal of Zoology 58: 1277-1282.

1981: 21

Bailey, RO.  1981.  A theoretical approach to problems in waterfowl management. Trans. North American Wildlife and Natural Resources Conference 46: 58-69.

Batt, BDJ.  1981.  Marsh ecology study at the Delta Station. Pp. 204-208 in Fourth International Waterfowl Symposium, Ducks Unlimited Inc., New Orleans, LA.

Blohm, RJ.  1981.  Additional evidence of egg-moving behavior by female Gadwalls. Wilson Bulletin 93: 276-277.

Blohm, RJ.  1981.  Incubating female Gadwall dies upon flushing from nest. Journal of Field Ornithology 52: 149-150.

Cooper, JA; Afton, AD.  1981.  A multiple sensor system for monitoring avian nesting behavior. Wilson Bulletin 93: 325-333.

Gatti, RC.  1981.  A comparison of two hand-reared Mallard release methods. Wildlife Society Bulletin 9: 37-43.

Kaminski, RH; Prince, HH.  1981.  Dabbling duck and aquatic macroinvertebrate responses to manipulated wetland habitat. Journal of Wildlife Management 45: 1-15.

Kaminski, RM; Murkin, HR.  1981.  Evaluation of two devices for sampling nektonic invertebrates. Journal of Wildlife Management 4: 493-496.

Kaminski, RM; Prince, HH.  1981.  Dabbling duck activity and foraging responses to aquatic invertebrates. Auk 98: 115-126.

Koob, MD.  1981.  Detrimental effects of nasal saddles on male Ruddy Ducks. Journal of Field Ornithology 52: 140-143.

Nuechterlein, GL.  1981.  "Information parasitism" in mixed colonies of Western Grebes and Forster's Terns. Animal Behaviour 29: 985-989.

Nuechterlein, GL.  1981.  Asynchronous hatching and sibling competition in Western Grebes. Canadian Journal of Zoology 59: 994-998.

Nuechterlein, GL.  1981.  Courtship behavior and reproductive isolation between Western Grebe color morphs. Auk 98: 335-349.

Nuechterlein, GL.  1981.  Variations and multiple functions of the advertising display of Western Grebes. Behaviour 76: 289-317.

Pederson, RL.  1981.  Seed bank characteristics of the Delta Marsh: applications for wetland management. Pp. 61-69 in Selected proceedings of the midwest conference on wetland values (B Richardson, ed.). Minn. Water Planning Board, St. Paul.

Titman, RD.  1981.  A time-activity budget for breeding Mallards (Anas platyrhynchos) in Manitoba. Canadian Field-Naturalist 95: 266-267.

Titman, RD; Seymour, NR.  1981.  A comparison of the pursuit flights by size North American ducks of the genus Anas. Wildfowl 32: 11-18.

Wishart, RA.  1981.  Wing-feather criteria for age separation of American Wigeon. Journal of Wildlife Management 45: 230-235.

Wishart, RA; Caldwell, PJ; Sealy, SG.  1981.  Feeding and social behavior of some migrant shorebirds in southern Manitoba. Canadian Field-Naturalist 95: 183-185.

Wishart, RA; Kaminski, RM; Soprovich, DW.  1981.  Further evidence of marsh hawks feeding on ducks. Prairie Naturalist 13: 23-25.

Young, DA; Boag, DA.  1981.  A description of molt in male Mallards. Canadian Journal of Zoology 59: 252-259.

1982: 8

Blohm, RJ.  1982.  Differential occurrence of yearling and adult male Gadwalls in pair bonds. Auk 99: 378-379.

Brown, PW; Houston, CS.  1982.  Longevity and age of maturity of White-winged Scoters. Journal of Field Ornithology 53: 53-54.

Houston, CS; Brown, PW.  1982.  Cowbird egg in Common Tern nest. Journal of Field Ornithology 53: 57.

Murkin, HR; Kaminski, RM; Titman, RD.  1982.  Responses by dabbling ducks and aquatic invertebrates to an experimentally manipulated cattail marsh. Canadian Journal of Zoology 60: 2324-2332.

Nuechterlein, GL.  1982.  Western Grebes, the birds that walk on water. Natl. Geogr. Mag. 161: 624-637.

Nuechterlein, GL; Storer, RW.  1982.  The pair-formation displays of the Western Grebe. Condor 84: 351-369.

Scott, ME; Rau, ME; McLaughlin, JD.  1982.  Comparative migration, growth and development of Typhlocoelum cucumerinum sisowi in dabbling ducks and Typhlocoelum cucumerinum cucumerinum in diving ducks. Parasitology 84: 333-350.

Young, DA; Boag, DA.  1982.  Changes of physical condition of male Mallards (Anas platyrhynchos)during molt. Canadian Journal of Zoology 60: 3220-3226.

1983: 14

Anderson, MG; Batt, BDJ.  1983.  Workshop on the ecology of wintering waterfowl. Wildlife Society Bulletin 11: 22-24.

Bailey, RO.  1983.  Distribution of postbreeding diving ducks (Aythyini and Mergini) on southern boreal lakes in Manitoba. Canadian Wildlife Service Progress Notes No. 136.

Batt, BDJ; Caldwell, PJ; Davis, CB; Kadlec, JA; Kaminski, RM; Murkin, HR; van der Valk, AG.  1983  The Delta Waterfowl Research Station-Ducks Unlimited (Canada) Marsh Ecology Research Program. Pp. 19-23 in First Western Hemisphere Waterfowl and Waterbird Symposium (H. Boyd, ed.).

Bluhm, CK; Phillips, RE; Burke, WH.  1983.  Serum levels of luteinizing hormone (LH), prolactin, estradiol, and progesterone in laying and nonlaying Canvasback ducks (Aythya valisineria). Gen. Comp. Endocrinol. 52: 1-16.

Bluhm, CK; Phillips, RE; Burke, WH.  1983.  Serum levels of luteinizing hormone, prolactin, estradiol, and progesterone in laying and nonlaying Mallards, Anas platyrhynchos. Biol. Reprod. 28: 295-305.

Brown, PW; Fredrickson, LH.  1983.  Growth and molt progression of White-winged Scoter ducklings. Wildfowl 34: 115-119.

Gatti, RC.  1983.  Incubation weight loss in the Mallard. Canadian Journal of Zoology 61: 565-569.

Gatti, RC.  1983.  Spring and summer age separation techniques for the Mallard. Journal of Wildlife Management 47: 1054-1062.

Houston, CS; Brown, PW.  1983.  Recoveries of Saskatchewan-banded White-winged Scoters, Melanitta fusca. Canadian Field-Naturalist 97: 454-455.

McKinney, F; Derrickson, S; Mineau, P.  1983.  Forced copulation in waterfowl. Behaviour 86: 250-294.

Murkin, HR; Abbott, PG; Kadlec, JA.  1983.  A comparison of activity traps and sweep nets for sampling nektonic invertebrates in wetlands. Freshwater Invertebr. Biol. 2: 99-106.

Nelson, CH.  1983.  Eye-color changes in Barrow's Goldeneye and Common Goldeneye ducklings. Wilson Bulletin 95: 482-488.

Titman, RD.  1983.  Spacing and three-bird flights of Mallards breeding in pothole habitat. Canadian Journal of Zoology 61: 839-847.

Wishart, RA.  1983.  Pairing chronology and mate selection in the American Wigeon (Anas americana). Canadian Journal of Zoology 61: 1733-1743.

1984: 17

Afton, AD.  1984.  Influence of age and time on reproductive performance of female Lesser Scaup. Auk 101: 255-265.

Anderson, MG.  1984.  Parental investment and pair-bond behavior among Canvasback ducks (Aythya valisineria, Anatidae). Behavioural Ecology and Sociobiology 15: 81-90.

Bailey, RO; Titman, RD.  1984.  Habitat use and feeding ecology of postbreeding Redheads. Journal of Wildlife Management 48: 1144-1155.

Bluhm, CK.  1984.  Effects of male courtship and gonadal steroids on pair formation, egg-laying, and serum LH in Canvasback ducks (Aythya valisineria). J. Zool. 204: 185-200.

Bluhm, CK; Phillips, RE; Burke, WH; Gupta, GN.  1984.  Effects of male courtship and gonadal steroids on pair formation, egg-laying, and serum LH in Canvasback ducks (Aythya valisineria). J. Zool. 204: 185-200.

Hochbaum, GS; Walters, CJ.  1984.  Components of hunting mortality in ducks. Canadian Wildlife Service Occ. Pap. No. 52.

Hohman, WL.  1984.  Diurnal time-activity budgets for Ring-necked Ducks wintering in central Florida. Proc. Ann. Conf. SE Assoc. Fish and Wildl. Agenc. 38: 158-164.

Kaminski, RM; Prince, HH.  1984.  Dabbling duck-habitat associations during spring in Delta Marsh, Manitoba. Journal of Wildlife Management 48: 37-50.

Lightbody, JP; Ankney, CD.  1984.  Seasonal influence of the strategies of growth and development of Canvasback and Lesser Scaup ducklings. Auk 101: 121-133.

Murkin, HR; Batt, BDJ; Caldwell, PJ; Davis, CB; Kadlec, JA; van der Valk, A.  1984.  Perspectives on the Delta Waterfowl Research Station--Ducks Unlimited Canada marsh ecology research project. Trans. North American Wildlife and Natural Resources Conference 49: 262-270.

Nelson, JW; Kadlec, JA.  1984.  A conceptual approach to relating habitat structure and macroinvertebrate production in freshwater wetlands. Trans. North American Wildlife and Natural Resources Conference 49: 262-270.

Nudds, TD; Kaminski, RM.  1984.  Sexual size dimorphism in relation to resource partitioning in North American dabbling ducks. Canadian Journal of Zoology 62: 2009-2012.

Nuechterlein, GL.  1984.  Social behavior and colony site selection by Western Grebes. Natl. Geogr. Soc. Res. Rep. 16: 529-535.

Pederson, RL; van der Valk, AG.  1984.  Vegetation change and seed banks in marshes: ecological and management implications. Trans. N. Amer. Wildl. Nat. Resour. Conf. 49: 271-280.

Rohwer, FC.  1984.  Patterns of egg laying in prairie ducks. Auk 101: 603-605.

Tome, MW.  1984.  Changes in nutrient reserves and organ size of female Ruddy Ducks breeding in Manitoba. Auk 101: 830-837.

Wrubleski, DA; Rosenberg, DM.  1984.  Overestimates of Chironomidae (Diptera) abundance from emergence traps with polystyrene floats. Am. Midl. Natur. 111: 195-197.

1985: 21

Afton, AD.  1985.  Forced copulation as a reproductive strategy of male Lesser Scaup: a field test of some predictions. Behaviour 92: 146-167.

Alisauskas, RT; Ankney, CD.  1985.  Nutrient reserves and the energetics of reproduction in American Coots. Auk 102: 133-144.

Anderson, MG.  1985.  Variations on monogamy in Canvasbacks (Aythya valisineria). Pp. 57-67 in (PA Gowaty and DW Mock, eds.), Avian monogamy. Ornithological Monographs 37.

Bailey, RO.  1985.  Protein reserve dynamics in postbreeding adult male Redheads. Condor 87: 23-32.

Batt, BDJ.  1985.  New initiatives in research with wintering waterfowl. Pp. 137-140 in Fifth International Waterfowl Symposium, Ducks Unlimited Inc., Kansas City, MO.

Bluhm, CK.  1985.  Mate preferences and mating patterns of Canvasbacks (Aythya valisineria). Ornithological Monographs 37: 45-56.

Cowan, WF.  1985.   Longevity record for a wild raccoon, Procyon lotor, in Manitoba. Canadian Field-Naturalist 99: 115.

DuBowy, PJ.  1985.  Feeding ecology and behavior of postbreeding male Blue-winged Teal and Northern Shovelers. Canadian Journal of Zoology 63: 1292-1297.

DuBowy, PJ.  1985.  Moults and plumages and testicular regression of post-breeding male Blue-winged Teal (Anas discors) and Northern Shovelers (Anas clypeata). J. Zool. 207: 459-466.

Dubowy, PJ  1985.  Seasonal organ dynamics in post-breeding male Blue-winged Teal and Northern Shovelers. Comp. Biochem. Physiol. 82A: 899-906.

Haig, SM; Oring, LW.  1985.  Distribution and status of Piping Plovers throughout the annual cycle. Journal of Field Ornithology 56: 334-345.

Hohman, WL.  1985.  Feeding ecology of Ring-necked Ducks in northwestern Minnesota. Journal of Wildlife Management 49: 546-557.

Kaminski, RM; Murkin, HR; Smith, CE.  1985.  Control of cattail and bulrush by cutting and flooding. Pp. 253-262 in Coastal wetlands (HH Prince and FM D'Itri, eds.). Lewis Publ., Chelsea, MI.

Lightbody, JP.  1985.  Growth rates and development of redhead ducklings. Wilson Bulletin 97: 554-559.

Neckles, HA; Nelson, JW; Pederson, RL.  1985.  Management of whitetop (Scholochloa festucacea) marshes for livestock forage and wildlife. Delta Waterfowl and Wetlands Res. Stn. Tech. Bull. 1.

Nuechterlein, GL.  1985.  Experiments on the functions of the bare crown patch of downy Western Grebe chicks. Canadian Journal of Zoology 63: 464-467.

Rohwer, FC.  1985.  The adaptive significance of clutch size in prairie ducks. Auk 102: 354-361.

Rushforth Guinn, SJ; Batt, BDJ.  1985.  Activity budgets of Northern Pintail hens: influence of brood size, brood age, and date. Canadian Journal of Zoology 63: 2114-2120.

Storer, RW; Nuechterlein, GL.  1985.  An analysis of plumage and morphological characters of the two color forms of the Western Grebe (Aechmophorus). Auk 102: 102-119.

Thompson, DJ; Shay, JM.  1985.  The effects of fire on Phragmites communis in the Delta Marsh, Manitoba. Can. J. Bot. 63: 1864-1869.

Wishart, RA.  1985.  Moult chronology of American Wigeon, Anas americana, in relation to reproduction. Canadian Field-Naturalist 99: 172-178.

1986: 18

Alisauskas, RT.  1986.  Variation in the composition of the eggs and chicks of American Coots. Condor 88: 84-90.

Austin, JE; Fredrickson, LH.  1986.  Molt of female Lesser Scaup immediately following breeding. Auk 103: 293-298.

Brown, PW; Fredrickson, LH.  1986.  Food habits of breeding White-winged Scoters. Canadian Journal of Zoology 64: 1652-1654.

Desrochers, BA; Ankney, CD.  1986.  Effect of brood size and age on the feeding behavior of adult and juvenile American Coots (Fulica americana). Canadian Journal of Zoology 64: 1400-1406.

Galinato, MI; van der Valk, AG.  1986.  Seed germination traits of annuals and emergents during drawdown in the Delta Marsh, Manitoba, Canada. Aquatic Botany 26: 89-102.

Haig, SM.  1986.  Piping Plovers in Manitoba--a status report on the species and initial recovery plans for the province. Prov. Museum Alberta Nat. Hist. Occ. Pap. No. 9: 243-247.

Haig, SM.  1986.  Winter distribution and status of Piping Plovers on the Gulf of Mexico. Prov. Museum Nat. Hist. Occ. Pap. No. 9: 251-257.

Hohman, WL.  1986.  Changes in body weight and body composition of breeding Ring-necked Ducks, Aythya collaris. Auk 103: 181-188.

Hohman, WL.  1986.  Incubation rhythms of Ring-necked Ducks.  Condor 88: 290-296.

Hohman, WL; Cypher, BL.  1986.  Age-class determination of Ring-necked Ducks. Journal of Wildlife Management 50: 442-445.

Kadlec, JA.  1986.  Effects of flooding on dissolved and suspended nutrients in small diked marshes. Can. J. Fish. Aquat. Sci. 43: 1999-2008.

Krasowski, TP; Nudds, TD.  1986.  Microhabitat structure of nest sites and nesting success of diving ducks. Journal of Wildlife Management 50: 203-208.

McLaughlin, JD.  1986.  The biology of Cyclocoelum mutabile (Trematoda) infections in American Coots. Proc. Helminthol. Soc. Wash. 53: 177-181.

Murkin, HR; Kadlec, JA.  1986.  Relationships between waterfowl and macroinvertebrate densities in a northern prairie marsh. Journal of Wildlife Management 50: 212-217.

Murkin, HR; Kadlec, JA.  1986.  Responses by benthic macroinvertebrates to prolonged flooding of marsh habitat. Canadian Journal of Zoology 64: 65-72.

Rohwer, FC.  1986.  Composition of Blue-winged Teal eggs in relation to egg size, clutch size, and timing of laying. Condor 88: 513-519.

Rohwer, FC.  1986.  Response to D. C. Duncan. Auk 103: 638-639.

van der Valk, AG.  1986.  The impact of litter and annual plants on recruitment from the seedbank of a lacustrine wetland. Aquatic Botany 24: 13-26.

1987: 22

Alisauskas, RT.  1987.  Morphometric correlates of age and breeding status in American Coots. Auk 104: 640-646.

Alisauskas, RT; Ankney, CD.  1987.  Age-related variation in the nutrient reserves of breeding American Coots, Fulica americana. Canadian Journal of Zoology 65: 2417-2420.

Arnold, TW.  1987.  Conspecific egg discrimination in American Coots. Condor 89: 975-976.

Arnold, TW; Fritzell, EK.  1987.  Activity patterns, movements, and home ranges of prairie mink. Prairie Naturalist 19: 25-32.

Arnold, TW; Fritzell, EK.  1987.  Food habits of prairie mink during the waterfowl breeding season. Canadian Journal of Zoology 65: 2322-2324.

Arnold, TW; Rohwer, FC; Armstrong, T.  1987.  Egg viability, nest predation, and the adaptive significance of clutch size in prairie ducks. American Naturalist 129: 643-653.

Austin, JE.  1987.  Activities of postbreeding Lesser Scaup in southwestern Manitoba. Wilson Bulletin 99: 448-456.

Austin, JE; Fredrickson, LH.  1987.  Body and organ mass and body composition of post-breeding female Lesser Scaup. Auk 104: 694-699.

Blohm, RJ.  1987.  Reliability of morphological measurements in sexing newly hatched wild Gadwall ducklings. Journal of Field Ornithology 58: 144-147.

Brown, PW.  1987.  Influence of an unidentified epornitic on waterfowl nesting at Jesse Lake, Alberta. Canadian Field-Naturalist 101: 454-456.

Brown, PW; Fredrickson, LH.  1987.  Body and organ weights, and carcass composition of breeding female White-winged Scoters. Wildfowl 38: 103-107.

Brown, PW; Fredrickson, LH.  1987.  Time budget and incubation behavior of breeding White-winged Scoters. Wilson Bulletin 99: 50-55.

Evarts, S; Williams, CJ.  1987.  Multiple paternity in a wild population of Mallards. Auk 104: 597-602.

Gordon, DH; Gray, BT; Kaminski, RM.  1987.  A preliminary analysis of habitat use by dabbling ducks wintering in coastal wetlands of South Carolina. Pp. 13-24 in Waterfowl and wetlands symposium (WR Whitman and WH Meredith, eds.).

Gray, BT; Gordon, DH; Kaminski, RM.  1987.  Functional attributes of coastal wetlands for waterfowl: perspectives for research and management.  Pp. 205-222 in Proceedings of a Symposium on Waterfowl and Wetlands Management (WR Whitman and WH Meredith, eds.).

Kehoe, FP; Ankney, CD; Alisauskas, RT.  1987.  The effects of dietary fibre and diet diversity on digestive organs of captive Mallards (Anas platyrhynchos). Canadian Journal of Zoology 66: 1597-1602.

Murkin, HR; Batt, BDJ. 1987.  The interactions of vertebrates and invertebrates in peatlands and marshes. Pp. 15-30 in Aquatic insects of peatlands and marshes (D. M. Rosenberg and H. V. Danks, eds.). Mem. Entomol. Soc. Can. 140.

Shay, JM; Thompson, DJ; Shay, CT.  1987.  Post-fire performance of Phragmites australis (Cav.) Trin. in the Delta Marsh, Manitoba, Canada. Arch. Hydrobiol. Suppl. 27: 95-103.

Tome, MW.  1987.  An observation of renesting by a Ruddy Duck, Oxyura jamaicensis. Canadian Field-Naturalist 101: 153-154.

Wayland, M; Batt, BDJ; Cowan, WF.  1987.  The effects of two postemergence herbicides on hatchability of chicken eggs. Canadian Journal of Zoology 65: 1860-1861.

Weller, MW; Batt, BDJ.  1987.  Waterfowl in winter: past, present, and future. Pp. 3-8 in MW Weller, ed. Waterfowl in winter. Univ. Minnesota Press, Minneapolis.

Wrubleski, DA.  1987.  Chironomidae (Diptera) of peatlands and marshes in Canada. Pp. 141-161 in Aquatic insects of peatlands and marshes in Canada(DM Rosenberg and HV Danks, eds.). Mem. Entomol. Soc. Can. 140.

1988: 29

Alisauskas, RT; Ankney, CD; Klaas, EE.  1988.  Winter diets and nutrition of midcontinental Lesser Snow Geese. Journal of Wildlife Management 52: 403-414.

Anderson, MG; Hepp, GR; McKinney, F; Owen, M.  1988.  Workshop summary: courtship and pairing in winter. Pp. 123-131 in (MW Weller, ed.) Waterfowl in winter. Univ. Minnesota Press, Minneapolis.

Ankney, CD; Afton, AD.  1988.  Bioenergetics of breeding Northern Shovelers: diet, nutrient reserves, clutch size, and incubation. Condor 90: 459-472.

Armstrong, T; Robertson, RJ.  1988.  Parental investment based on clutch value: nest desertion in response to partial clutch loss in dabbling ducks. Animal Behaviour 36: 941-943.

Arnold, TW; Sorenson, MD.  1988.  A record early season for marsh-breeding birds in southwestern Manitoba. Blue Jay 46: 133-135.

Beasley, BA; Ankney, CD.  1988.  The effect of plumage color on the thermoregulatory abilities of Lesser Snow Goose goslings. Canadian Journal of Zoology 66: 1352-1358.

Bluhm, CK.  1988.  Temporal patterns of pair formation and reproduction in annual cycles and associated endocrinology in waterfowl. Current Ornithol. 5: 123-185.

Botero, JE; Rusch, DH.  1988.  Recoveries of North American waterfowl in the Neotropics. Pp. 469-482 in Waterfowl in winter (MW Weller, ed.). Univ. Minnesota Press, Minneapolis.

Eadie, JM; Kehoe, FP; Nudds, TD.  1988.  Pre-hatch and post-hatch brood amalgamation in North American Anatidae: a review of hypotheses. Canadian Journal of Zoology 66: 1709-1721.

Gray, BT; Gordon, DH; Strange, T.  1988.  Shot ingestion by dabbling ducks wintering in coastal South Carolina. **

Gurney, SE; Robinson, GGC.  1988.  The influence of water level manipulation on metaphyton production in a temperate freshwater marsh. Verhandlungen Internationale Vereinigung Limnologie 23: 1032-1040.

Haig, SM; Oring, LW.  1988.  Behavior, distribution and dispersal in the Piping Plover. Auk 105: 630-638.

Haig, SM; Oring, LW.  1988.  Genetic differentiation of Piping Plovers across North America. Auk 105: 260-267.

Haig, SM; Oring, LW.  1988.  Mate, site, and territory fidelity in Piping Plovers. Auk 105: 268-277.

Hohman, WL; Taylor, TS; Weller, MW.  1988.  Annual body weight change in Ring-necked Ducks (Aythya collaris). Pp. 257-269 in (MW Weller, ed.) Waterfowl in winter. Univ. Minnesota, Minneapolis.

LaGrange, TG; Dinsmore, JJ.  1988.  Nutrient reserve dynamics of female Mallards during spring migration through central Iowa. Pp. 287-297 in Waterfowl in winter (MW Weller, ed.). Univ. Minnesota Press, Minneapolis.

Lovvorn, JR; Barzen, JA.  1988.  Molt in the annual cycle of Canvasbacks. Auk 105: 543-552.

Murkin, HR; Wrubleski, DA.  1988.  Aquatic invertebrates of freshwater marshes: function and ecology. Pp. 239-249 in The ecology and management of wetlands. Vol. I: Ecology of wetlands (DD Hook et al., eds.). Croon Helm, London.

Nuechterlein, GL.  1988.  Parent-young vocal communication in Western Grebes. Condor 90: 632-636.

Pederson, RC; Chabreck, RH; Connelly, DP; Fredrickson, LH; Murkin, HR. 1988.  Workshop summary: habitat management in winter. Pp. 459-466 in Waterfowl in winter (MW Weller, ed.). Univ. Minnesota, Minneapolis

Pederson, RL; Smith, LM.  1988.  Implications of wetland seed bank research: a review of Great Basin and prairie marsh studies. Pp. 81-95 in Interdisciplinary Approaches to Freshwater Wetlands Research (DA Wilcox, ed.).

Rhymer, JM.  1988.  The effect of egg size variability on thermoregulation of Mallard, Anas platyrhynchos, offspring and its implications for survival. Oecologia 75: 20-24.

Rohwer, FC.  1988.  Inter- and intraspecific relationships between egg size and clutch size in waterfowl. Auk 105: 161-176.

Rohwer, FC; Anderson, MG.  1988.  Female-biased philopatry, monogamy, and the timing of pair formation in migratory waterfowl. Current Ornithol. 5: 187-221.

Tome, MW.  1988.  Optimal foraging: food patch depletion by Ruddy Ducks. Oecologia 76: 27-36.

Tome, MW; Wrubleski, DA.  1988.  Underwater foraging behavior of Canvasbacks, Lesser Scaups and Ruddy Ducks. Condor 90: 168-172

van der Valk, AG; Welling, CH.  1988.  The development of zonation in freshwater wetlands: an experimental approach. Pp. 145-158 in Diversity and pattern in plant communities (HJ During et al., eds.). Academic Publishing, The Hague.

Welling, CH; Pederson, RL; van der Valk, AG.  1988.  Recruitment from the seed bank and the development of zonation of emergent vegetation during drawdown in a prairie marsh. J. Ecol. 76: 483-496.

Welling, CH; Pederson, RL; van der Valk, AG.  1988.  Temporal patterns in recruitment from the seed bank during drawdowns in a prairie wetland. J. Appl Ecol. 25: 999-1007.

1989: 41

Anderson, MG.  1989.  Species closures--a case study of the Canvasback. Pp. 41-50 in Proc. Sixth Intern. Waterfowl. Symp., Washington, DC.

Arnold, TW.  1989.  Variation in size and composition of Horned and Pied-billed grebe eggs. Condor 91: 987-989.

Arnold, TW; Fritzell, EK.  1989.  Spring and summer prey remains collected from male mink dens in southwestern Manitoba. Prairie Naturalist 21: 189-192.

Ball, JP; Nudds, TD.  1989.  Mallard habitat selection: an experiment and implications for management. Pp. 659-671 in Freshwater wetlands and wildlife (RR Sharitz and JW Gibbons, eds.). USDOE Office of Sci. and Tech. Info., Oak Ridge, TN.

Batt, BDJ; Anderson, MG; Anderson, CD; Caswell, FD.  1989.  The use of prairie potholes by North American ducks. Pp. 204-227 in (A. van der Valk, ed.). Northern prairie wetlands. Iowa State Univ. Press, Ames.

Beattie, LA; Nudds, TD.  1989.  Differential habitat occupancy by Goldeneye ducklings (Bucephala clangula) and fish: predator avoidance or competition? Canadian Journal of Zoology 67: 475-482.

Bluhm, CK; Phillips, RE; Burke, WH.  1989.  Vernal increases in prolactin levels of nonbreeding male and female Canvasbacks (Aythya valisineria). Gen. Comp. Endocrinol. 76: 286-291.

Brown, PW; Fredrickson, LH.  1989.  White-winged Scoter, Melanitta fusca, populations and nesting on Redberry Lake, Saskatchewan. Canadian Field-Naturalist 103: 240-247.

Gordon, DH; Gray, BT; Perry, RD; Prevost, MB; Strange, TH; Williams, RK.  1989.  South Atlantic coastal wetlands. Pp. 57-92 in Habitat management for migrating and wintering waterfowl in North America (LM Smith et al., eds.).

Gray, BT; Kaminski, RM.  1989.  Illegal waterfowl harvest: what do we know? Trans. North American Wildlife and Natural Resources Conference 54: 333-340.

Gray, BT; Kaminski, RM.  1989.  Strategies for estimating illegal waterfowl hunting and harvest. Int. Waterfowl Symp. 6: 148-159.

Heitmeyer, ME.  1989.  Agriculture/wildlife enhancement in California: the Central Valley Habitat Joint Venture. Trans. North American Wildlife and Natural Resources Conference 54: 391-402.

Heitmeyer, ME; Connelly, DP; Pederson, RL.  1989.  The Central, Imperial, and Coachella Valleys of California. Pp. 475-505 in Habitat management for migrating and wintering waterfowl in North America (LM Smith et al., eds.).

Hosseini, SM; van der Valk, AG.  1989.  Primary productivity and biomass of periphyton and phytoplankton in flooded freshwater marshes. Pp. 303-315 in Freshwater wetlands and wildlife (RR Sharitz and JW Gibbons, eds.). USDOE Office of Sci. and Tech. Info., Oak Ridge, TN.

Hosseini, SM; van der Valk, AG.  1989.  The impact of prolonged above-normal flooding on metaphyton in flooded freshwater marshes. Pp. 317-324 in Freshwater wetlands and wildlife (RR Sharitz and JW Gibbons, eds.). USDOE Off. Sci. Tech. Info., Oak Ridge, TN.

Kehoe, FP.  1989.  The adaptive significance of creching behaviour in the White-winged Scoter (Melanitta fusca deglandi). Canadian Journal of Zoology 67: 406-411.

Kehoe, FP; Brown, PW; Houston, CS.  1989.  Survival and longevity of White-winged Scoters nesting in central Saskatchewan. Journal of Field Ornithology 60: 133-136.

LaGrange, TG; Dinsmore, JJ.  1989.  Habitat use by Mallards during spring migration through central Iowa. Journal of Wildlife Management 53: 1076-1081.

Loesch, CR; Kaminski, RM.  1989.  Winter body-weight patterns of female Mallards fed agricultural seeds. Journal of Wildlife Management 53: 1081-1087.

Loesch, CR; Williams, RK; Gordon, DH.  1989.  Dabbling duck response to a late-winter variation in saltmarsh bulrush management. Proc. Ann. Conf. SE Assoc. Fish Wildl. Agencies 43: 412-420.

Lovvorn, JR.  1989.  Distributional responses of Canvasback ducks to weather and habitat change. J. App. Ecol. 26: 113-130.

Lovvorn, JR.  1989.  Food defendability and antipredator tactics: implications for dominance and pairing in Canvasbacks. Condor 91: 826-836.

Murkin, EJ; Murkin, HR.  1989.  Marsh Ecology Research Program: long-term monitoring procedures manual. Delta Waterfowl and Wetlands Research Station Tech. Bull. 2.

Murkin, HR.  1989.  The basis for food chains in prairie wetlands. Pp. 316-338 in Northern prairie wetlands (A. van der Valk, ed.).Iowa State Univ. Press, Ames.

Murkin, HR; Kaminski, RM; Titman, RD.  1989.  Responses by nesting Red-winged Blackbirds to manipulated cattail habitat. Pp. 673-680 in Freshwater wetlands and wildlife (RR Sharitz and JW Gibbons, eds.). USDOE Office of Sci. and Tech. Info., Oak Ridge, TN.

Murkin, HR; van der Valk, AG; Davis, CB.  1989.  Decomposition of four dominant macrophytes in the Delta Marsh, Manitoba. Wildlife Society Bulletin 17: 215-221.

Neckles, HA; Wetzel, RL.  1989.  Effects of forage harvest in seasonally flooded prairie marshes: simulation model experiments. Pp. 975-990 in Freshwater wetlands and wildlife (RR Sharitz and JW Gibbons, eds.). USDOE Office of Sci. and Tech. Info., Oak Ridge, TN.

Pattenden, RK; Boag, DA.  1989.  Effects of body mass on courtship, pairing, and reproduction in captive Mallards. Canadian Journal of Zoology 67: 495-501.

Peterson, LP; Murkin, HR; Wrubleski, DA.  1989.  Waterfowl predation on benthic macroinvertebrates during fall drawdown of a northern prairie marsh. Pp. 681-**  in Freshwater wetlands and wildlife (RR Sharitz and JW Gibbons, eds.). USDOE Office of Sci. and Tech. Info, Oak Ridge, TN.

Rave, DP; Baldassarre, GA.  1989.  Activity budget of Green-winged Teal wintering in coastal wetlands of Louisiana. Journal of Wildlife Management 53: 753-759.

Raveling, DG; Heitmeyer, ME.  1989.  Relationships of population size and recruitment of Pintails to habitat conditions and harvest. Journal of Wildlife Management 53: 1088-1103.

Rohwer, FC; Eisenhauer, DI.  1989.  Egg mass and clutch size relationships in geese, eiders, and swans. Ornis Scand. 20: 43-48.

Sobkowiak, S; Titman, RD.  1989.  Bald Eagles killing American Coots and stealing coot carcasses from Greater Black-backed Gulls. Wilson Bulletin 101: 494-496.

Sorenson, MD.  1989.  Effects of neck collar radios on female Redheads. Journal of Field Ornithology 60: 523-528.

Strange, T; Gordon, DH; Timmerman, JA Jr.  1989.  Atlantic Flyway perspectives and expectations. Trans. North American Wildlife and Natural Resources Conference 54: 496-511.

Thompson, JD; Sheffer, BJ; Baldassarre, GA.  1989.  Incidence of ingested lead shot in waterfowl harvested in Yucatan, Mexico. Wildlife Society Bulletin 17: 189-191.

Tome, MW.  1989.  Food patch depletion by Ruddy Ducks: foraging by expectation rules. Canadian Journal of Zoology 67: 2751-2755.

Tome, MW.  1989.  Search-path characteristics of foraging Ruddy Ducks. Auk 106: 42-48.

van der Valk, A; Welling, CH; Pederson, RL.  1989.  Predicting vegetation change in a freshwater wetland: a test of a priori predictions. Pp. 207-217 in Freshwater wetlands and wildlife (RR Sharitz and JW Gibbons, eds.). USDOE Office of Sci. and Tech. Info., Oak Ridge, TN

Wienhold, CE; van der Valk, A.  1989.  The impact of duration of drainage on the seed banks of northern prairie wetlands. Canadian Journal of Zoology 67: 1878-1884.

Wrubleski, D.  1989.  The effect of waterfowl feeding activity on a chironomid (Diptera:Chironomidae) community. Pp. 691-696 in Freshwater wetlands and wildlife (RR Sharitz and JW Gibbons, eds.). USDOE Office of Sci. Tech. Info., Oak Ridge, TN.

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1990: 24

Alisauskas, RT; Ankney, CD.  1990.  Body size and fecundity in Lesser Snow Geese. Auk 107: 440-443.

Arnold, TW.  1990.  Determinacy of clutch size in Horned and Pied-billed grebes. Wilson Bulletin 102: 336-338.

Arnold, TW; Fritzell, EK.  1990.  Habitat selection by male mink in relation to wetland characteristics and avian prey abundances. Canadian Journal of Zoology 68: 2205-2208.

Ball, JP.  1990.  Active diet selection or passive reflection of changing food availability: the underwater foraging behavior of Canvasbacks. Pp. 95-109 in Behavioural mechanisms of food selection (RN Hughes, ed.). NATO ASI Ser., Vol. G 20.

Barzen, JA; Serie, JR.  1990.  Nutrient reserve dynamics of breeding Canvasbacks. Auk 107: 75-85.

Gammonley, JH; Heitmeyer, ME.  1990.  Behavior, body condition, and foods of Buffleheads and Lesser Scaups during spring migration through the Klamath Basin, California. Wilson Bulletin 102: 672-683.

Gregoire, PE;  Ankney, CD.  1990.  Agonistic behavior and dominance relationships among Lesser Snow Geese during winter and spring migration. Auk 107: 550-560.

Hanson, AR; Ankney, CD; Dennis, DG.  1990.  Body weight and lipid reserves of American Black Ducks and Mallards during autumn. Canadian Journal of Zoology 68: 2098-2104.

Leafloor, JO; Batt, BDJ.  1990.  Repeatability of wing molt timing of Mallards in relation to breeding. Canadian Journal of Zoology 68: 2620-2624.

Lovvorn, JR.  1990.  Courtship and aggression in Canvasbacks: influence of sex and pair-bonding. Condor 92: 369-378.

Martin, PA.  1990.  Effects of carbofuran, chlorpyrifos, and deltamethrin on hatchability, deformity, chick size, and incubation time of Japanese Quail (Coturnix japonica) eggs. Environ. Toxicol. Chem. 9: 529-534.

Merendino, MT; Smith, LM; Murkin, HR; Pederson, RL.  1990.  The response of prairie wetland vegetation to seasonality of drawdown. Wildlife Society Bulletin 18: 245-251.

Neckles, HA; Murkin, HR; Cooper, JA.  1990.  Influences of seasonal flooding on macroinvertebrate abundance in wetland habitats. Freshwater Biol. 23: 311-322.

Neill, C.  1990.  Effects of nutrients and water levels on emergent macrophyte biomass in a prairie marsh. Can. J. Bot. 68: 1007-1014.

Neill, C.  1990.  Effects of nutrients and water levels on species composition in prairie whitetop, (Scolochloa festucacea) marshes. Can. J. Bot. 68: 1015-1020.

Neill, C.  1990.  Nutrient limitation of hardstem bulrush (Scirpus acutus Muhl.) in a Manitoba Interlake region marsh. Wetlands 10: 69-76.

Nelson, JW; Kadlec, JA; Murkin, HR.  1990.  Responses by macroinvertebrates to cattail litter quality and timing of litter submergence in a northern prairie marsh. Wetlands 10: 47-60.

Rotella, JJ; Ratti, JT.  1990.  Use of methoxyflurane to reduce nest abandonment of Mallards. Journal of Wildlife Management 54: 627-628.

Sullivan, BD.  1990.  Striped skunk swims to overwater duck nest. Prairie Naturalist 22: 271-272.

Sullivan, BD; Dinsmore, JJ.  1990.  Factors affecting egg predation by American Crows. Journal of Wildlife Management 54: 433-437.

Taylor, P; Thompson, JE.  1990.  Harlequin Duck in Manitoba: an update. Blue Jay 48: 98-103.

Thompson, JD; Baldassarre, GA.  1990.  Carcass composition of nonbreeding Blue-winged Teal and Northern Pintails in Yucatan, Mexico. Condor 92: 1057-1065

Wayland, M; Boag, DA.  1990.  Toxicity of carbofuran to selected macroinvertebrates in prairie ponds. Bull. Environ. Contam. Toxicol. 45: 74-81.

Wrubleski, DA; Rosenberg, DM.  1990.  The Chironomidae (Diptera) of Bone Pile Pond, Delta Marsh, Manitoba, Canada. Wetlands 10: 243-275.

1991: 22

Afton, AD, Ankney, CD.  1991.  Nutrient-reserve dynamics of breeding Lesser Scaup: a test of competing hypotheses. Condor 93: 89-97

Afton, AD; Hier, RH.  1991.  Diets of Lesser Scaup breeding in Manitoba. Journal of Field Ornithology 62: 325-334.

Arnold, TW.  1991.  Intraclutch variation in egg size of American Coots. Condor 93: 28-37.

Arnold, TW; Alisauskas, RT; Ankney, CD.  1991.  Egg composition of American Coots in relation to habitat, year, laying date, clutch size, and supplemental food. Auk 108: 532-547.

Arnold, TW; Rohwer, FC.  1991.  Do egg formation costs limit clutch size in waterfowl? A skeptical view. Condor 93: 1032-1038.

Bildstein, KL; Bancroft, GT; Dugen, PJ; Gordon, DH; Erwin, RM; Nol, E; Payne, LX; Senner, SE.  1991.  Approaches to the conservation of coastal wetlands in the Western Hemisphere. Wilson Bulletin 103: 218-254.

Fredrickson, LH;  Heitmeyer, ME.  1991.  Life history strategies and habitat needs of the Northern Pintail. USFWS Fish Wildl. Leafl. No. 13.1.3.

Leafloor, JO; Ankney, CD.  1991.  Factors affecting wing molt chronology of female Mallards. Canadian Journal of Zoology 69: 924-928.

Lougheed, SC; Arnold, TW; Bailey, RC.  1991.  Measurement error of external and skeletal variables in birds and its effect on principal components. Auk 108: 432-436

Martin, PA; Arnold, TW.  1991.  Relationships among fresh mass, incubation time, and water loss in Japanese Quail eggs. Condor 93: 28-37.

Martin, PA; Solomon, KR; Boermans, HJ.  1991.  Effects of carbofuran ingestion on Mallard ducklings. Journal of Wildlife Management 55: 103-111.

Merendino, MT; Smith, LM.  1991.  Influence of drawdown date and reflood depth on wetland vegetation establishment. Wildlife Society Bulletin 19: 143-150.

Murkin, HR; Kadlec, JA; Murkin, EJ.  1991.  Effects of prolonged flooding on nektonic invertebrates in small diked marshes. Can. J. Fish. Aquat. Sci. 48: 2355-2364.

Murkin, HR; Pollard, JB; Stainton, MP; Boughen, JA; Titman, RD.  1991.  Nutrient additions to wetlands in the Interlake Region of Manitoba, Canada: effects of periodic additions throughout the growing season. Hydrobiologica 279/280: 483-495.

Murkin, HR; Stainton, MP; Boughen, JA; Pollard, JB; Titman, RD.  1991.  Nutrient status of wetlands in the Interlake Region of Manitoba, Canada. Wetlands 10: 105-122.

Rave, DP; Baldassarre, GA.  1991.  Carcass mass and composition of Green-winged Teal wintering in Louisiana and Texas. Journal of Wildlife Management 55: 457-461.

Rhymer, JM.  1991.  An experimental study of geographic variation in avian growth and development. J. Evol. Biol.

Rohwer, FC.  1991.  Response to T.M. Blackburn. Auk 108: 211-213.

Sorenson, MD.  1991.  The functional significance of parasitic egg laying and typical nesting in Redhead ducks: an analysis of individual behaviour. Animal Behaviour 42: 771-796.

Sullivan, BD.  1991.  Additional vertebrate prey items of the Red Squirrel, Tamias sciurus hudsonicus. Canadian Field-Naturalist 105: 398-399.

Tome, MW.  1991.  Diurnal activity budget of female Ruddy Ducks breeding in Manitoba. Wilson Bulletin 103: 183-189.

Wayland, M.  1991.  Effect of carbofuran on selected macroinvertebrates in a prairie parkland pond: an enclosure approach. Arch. Environ. Contam. Toxicol. 21: 270-280.

1992: 29

Alisauskas, RT; Ankney, CD.  1992.  Spring habitat use and diets of midcontinent adult Lesser Snow Geese. Journal of Wildlife Management 56: 43-54.

Alisauskas, RT; Ankney, CD.  1992.  The cost of egg laying and its relationship to nutrient reserves in waterfowl. Pp. 30-61 in BDJ Batt, ed. Ecology and management of breeding waterfowl. Univ. Minnesota Press, Minneapolis.

Anderson, MG; Rhymer, JM; Rohwer, FC.  1992.  Philopatry, dispersal, and the genetic structure of waterfowl populations. Pp. 365-395 in Ecology and management of breeding waterfowl (BDJ Batt et al., eds.). Univ. Minnesota Press, Minneapolis.

Anderson, MG; Titman, RD.  1992.  Spacing patterns. Pp. 251-289 in (BDJ Batt et al., eds.) Ecology and management of breeding waterfowl. Univ. Minnesota Press, Minneapolis.

Arnold, TW.  1992.  Continuous laying by American Coots in response to partial clutch removal and total clutch loss. Auk 109: 407-421.

Arnold, TW.  1992.  The adaptive significance of eggshell removal by nesting birds: testing the egg-capping hypothesis. Condor 94: 547-548.

Arnold, TW.  1992.  Variation in laying date, clutch size, egg size, and egg composition of Yellow-headed Blackbirds (Xanthocephalus xanthocephalus): a supplemental feeding experiment. Canadian Journal of Zoology 70: 1904-1911.

Batt, BDJ.  1992.  Introduction: The waterfowl. Pp. xiii-xxi in BDJ Batt et al., eds. Ecology and management of breeding waterfowl. Univ. Minnesota Press, Minneapolis.

Beasley, BA; Ankney, CD.  1992.  Physiological responses of cold-stressed blue and snow phase Lesser Snow Goose goslings. Canadian Journal of Zoology 70: 549-552.

Bluhm, CK.  1992.  Environmental and endocrine control of waterfowl reproduction. Pp. 323-364 in Ecology and management of breeding waterfowl (BDJ Batt et al., eds.). Univ. Minnesota Press, Minneapolis.

Haig, SM.  1992.  Piping Plover. The Birds of North America (A Poole et al., eds.). No. 2.

Hohman, WL; Ankney, CD; Gordon, DH.  1992.  Ecology and management of postbreeding waterfowl. Pp. 128-189 in Ecology and management of breeding waterfowl (BDJ Batt et al, eds.). Univ. Minnesota, Minneapolis.

Loesch, CR; Kaminski, RM; Richardson, DM.  1992.  Endogenous loss of body mass by Mallards in winter. Journal of Wildlife Management 56: 735-739.

Murkin, EJ; Murkin, HR; Titman, RD.  1992.  Nektonic invertebrate abundance and distribution at the emergent vegetation-open water interface in the Delta Marsh, Manitoba. Wetlands 12: 45-52.

Neill, C.  1992.  Comparison of soil coring and in growth methods for measuring below ground production. Ecology 73: 1918-1921.

Neill, C.  1992.  Life history and population dynamics of whitetop (Scholochloa festucacea) shoots under different levels of flooding and nitrogen supply. Aquatic Bot. 42: 241-252.

Neill, C; Cornwell, JC.  1992.  Stable carbon, nitrogen, and sulfur isotopes in a prairie marsh food web. Wetlands 12: 217-224.

Richardson, DM; Kaminski, RM.  1992.  Diet restriction, diet quality, and prebasic molt in female Mallards. Journal of Wildlife Management 56: 531-539.

Rohwer, FC.  1992.  The evolution of reproductive patterns in waterfowl. Pp. 486-539 in Ecology and management of breeding waterfowl (BDJ Batt et al., eds.). Univ. Minnesota Press, Minneapolis.

Rotella, JJ; Ratti, JT.  1992.  Mallard brood movements and wetland selection in southwestern Manitoba. Journal of Wildlife Management 56: 508-515.

Rotella, JJ; Ratti, JT.  1992.  Mallard brood survival and wetland habitat conditions in southwestern Manitoba. Journal of Wildlife Management 56: 499-507.

Sayler, RD.  1992.  Ecology and evolution of brood parasitism in waterfowl. Pp. 290-322 in Ecology and management of breeding waterfowl (BDJ Batt et al., eds.). Univ. Minnesota Press, Minneapolis.

Sorenson, MD.  1992.  Comment: why is conspecific nest parasitism more frequent in waterfowl than in other birds? Canadian Journal of Zoology 70: 1856-1858.

Sparling, DW; Barzen, JA; Lovvorn, JR; Serie, JR.  1992.  An evaluation of regression methods to estimate nutritional condition of Canvasbacks and other water birds. U.S. Fish and Wildl. Serv. Biol. Rep. 3.

Storer, RW; Nuechterlein, GL.  1992.  Western/Clark's Grebe. The Birds of North America (A Poole et al., eds.). No. 26.

Sullivan, BD.  1992.  Long-eared Owls usurp newly constructed American Crow nests. J. Raptor Res. 26: 97-98.

Sullivan, BD; Dinsmore, JJ.  1992.  Home range and foraging habitat of American Crows, Corvus brachyrhynchos, in a waterfowl breeding area in Manitoba. Canadian Field-Naturalist 106: 181-184.

Thompson, JD; Baldassarre, GA.  1992.  Dominance relationships of dabbling ducks wintering in Yucatan, Mexico. Wilson Bulletin 104: 529-536.

Thompson, JD; Sheffer, BJ; Baldassarre, GA.  1992.  Food habits of selected dabbling ducks wintering in Yucatan, Mexico. Journal of Wildlife Management 56: 740-744.

1993: 15

Afton, AD.  1993.  Post-hatch brood amalgamation in Lesser Scaup: female behavior and return rates, and duckling survival. Prairie Naturalist 25: 227-235.

Alisauskas, RT; Hobson, KA.  1993.  Determination of Lesser Snow Goose diets and winter distribution using stable isotope analysis. Journal of Wildlife Management 57: 49-54.

Arnold, TW.  1993.  Factors affecting egg viability and incubation time in prairie dabbling ducks. Canadian Journal of Zoology 71: 1146-1152.

Arnold, TW.  1993.  Factors affecting renesting in American Coots. Condor 95: 273-281.

Arnold, TW; Sorenson, MD; Rotella, JJ.  1993.  Relative success of overwater and upland Mallard nests in southwestern Manitoba. Journal of Wildlife Management 57: 578-581.

Bataille, KJ; Baldassarre, GA.  1993.  Distribution and abundance of aquatic macroinvertebrates following drought in three prairie pothole wetlands. Wetlands 13: 260-269.

Clark, WR; Kroeker, DW.  1993.  Population dynamics of muskrats in experimental marshes at Delta, Manitoba. Canadian Journal of Zoology 71: 1620-1628.

Ganter, B; Cooke, F.  1993.  Reaction of Lesser Snow Geese Anser caerulescens to early nest failure. Wildfowl 44: 170-173.

Gloutney, ML; Clark, RG; Afton, AD; Huff, GJ.  1993.  Timing of nest searches for upland nesting waterfowl. Journal of Wildlife Management 57: 597-601.

Mann, FE; Sedinger, JS.  1993.  Nutrient-reserve dynamics and control of clutch size in Northern Pintails breeding in Alaska. Auk 110: 264-278.

Migoya, RE; Baldassarre, GA.  1993.  Harvest and food habits of waterfowl wintering in Sinaloa, Mexico. Southwest. Nat. 38: 168-171.

Nelson, CH.  1993.  The downy waterfowl of North America. Delta Station Press, Portage la Prairie, MB.

Ross, LCM; Murkin, HR.  1993.  The effect of above-normal flooding of a northern prairie marsh on Agraylea multipunctata Curtis (Trichoptera: Hydroptilidae).J. Freshwater Ecol. 8: 27-35.

Sorenson, MD.  1993.  Parasitic egg laying in canvasbacks: frequency, success, and individual behavior. Auk 110: 57-69.

van der Valk, AG; Squires, L; Welling, CH.  1993.  An evaluation of three approaches for assessing the impacts of an increase in water level on wetland vegetation. Ecol. Appl.

1994: 23

Alisauskas, RT; Arnold, TW.  1994.  American Coot. Pp. 127-144 in The management of migratory shore and upland game birds (TC Tacha and CE Braun, eds.). Allen Press, Lawrence, KS.

Arnold, TW.  1994.  A roadside transect for censusing breeding coots and grebes. Wildlife Society Bulletin 22: 437-443.

Arnold, TW.  1994.  Effects of supplemental food on egg production in American Coots. Auk 111: 337-350.

Ball, JP.  1994.  Prey choice of omnivorous Canvasbacks: imperfectly optimal ducks. Oikos 70: 233-244.

Botero, JE; Rusch, DH.  1994.  Foods of Blue-winged Teal in two neotropical wetlands. Journal of Wildlife Management 58: 561-565.

Campeau, S; Murkin, HR; Titman, RD.  1994.  Relative importance of algae and emergent plant litter to freshwater marsh invertebrates. Can. J. Fish. Aquat. Sci. 51: 681-692.

Clark, WR.  1994.  Habitat selection by muskrats in experimental marshes undergoing succession. Canadian Journal of Zoology 72: 675-680.

Dubovsky, JA; Kaminski, RM.  1994.  Potential reproductive consequences of winter-diet restriction in Mallards. Journal of Wildlife Management 58: 780-786.

Flint, PL; Lindberg, MS; MacCluskie, MC; Sedinger, JS.  1994.  The adaptive significance of hatching synchrony of waterfowl eggs. Wildfowl 45: 248-254.

Gabor, TS; Murkin, HR; Stainton, MP; Boughen, JA; Titman, RD.  1994.  Nutrient additions to wetlands in the Interlake Region of Manitoba, Canada: effects of a single pulse addition in spring. Hydrobiologica 279/280: 497-510.

Galatowitsch, SM; van der Valk, AG.  1994.  Restoring prairie wetlands: an ecological approach. Iowa State Univ. Press, Ames.

Gray, BT; Kaminski, RM.  1994.  Illegal waterfowl hunting in the Mississippi Flyway and recommendations for alleviation. Wildl. Monogr. 127: 1-60.

Hanson, AR; Ankney, CD.  1994.  Morphometric similarity of Mallards and American Black Ducks. Canadian Journal of Zoology 72: 2248-2251.

Hohman, WL; Weller, MW.  1994.  Body mass and composition of Ring-necked Ducks wintering in southern Florida. Wilson Bulletin 106: 494-507.

Lindberg, MS; Malecki, RA.  1994.  Hunting vulnerability of local and migrant Canada Geese in Pennsylvania. Journal of Wildlife Management 58: 740-747.

Lovvorn, JR.  1994.  Nutrient reserves, probability of cold spells and the question of reserve regulation in wintering Canvasbacks. J. Anim. Ecol. 63: 11-23.

McKindsey, CW; McLaughlin, JD.  1994.  In vivo and in vitro studies on the viability and the infectivity to coots, Fulica americana, of Cyclocoelum mutabile metacercariae from three species of snails. Canadian Journal of Zoology 72: 1186-1190.

McKindsey, CW; McLaughlin, JD.  1994.  Transmission of Cyclocoelum mutabile (Digenea) to snails: the influence of temperature on the egg and miracidium. Canadian Journal of Zoology 72: 1745-1751.

Migoya, R; Baldassarre, GA; Losito, MP.  1994.  Diurnal activity budgets and habitat functions of Northern Pintail, Anas acuta, wintering in Sinaloa, Mexico. Wildfowl 4: 134-146.

Neckles, HA; Neill, C.  1994.  Hydrologic control of litter decomposition in seasonally flooded prairie marshes. Hydrobiologia 286: 155-165.

Omland, KE.  1994.  Character congruence between a molecular and a morphological phylogeny for dabbling ducks (Anas). Syst. Biol. 43: 369-386.

van der Valk, AG.  1994.  Effects of prolonged flooding on the distribution and biomass of emergent species along a freshwater wetland coenocline. Vegetatio 110: 185-196.

van der Valk, AG; Squires, L; Welling, CH.  1994.  Assessing the impacts of an increase in water level on wetland vegetation. Ecol. Applic. 4: 525-534.

1995: 13

Arnold, TW; Anderson, MG; Emery, RB; Sorenson, MD; de Sobrino, CN.  1995.  The effect of late-incubation body mass on reproductive success of Canvasbacks and Redheads. Condor 97: 953-962.

Combs, DL; Fredrickson, LH.  1995.  Molt chronology of male Mallards wintering in Missouri. Wilson Bulletin 107: 359-365.

Cornwell, JC; Neill, C; Stevenson, JC.  1995.  Biogeochemical origin of d34S isotope signatures in a prairie marsh. Can. J. Fish. Aquat. Sci. 52: 1816-1820.

Flint, PL; MacCluskie, MC.  1995.  A device for simultaneously measuring nest attendance and nest temperature in waterfowl. Journal of Field Ornithology 66: 515-521.

Heitmeyer, ME.  1995.  Influences of age, body condition, and structural size on mate selection by dabbling ducks. Canadian Journal of Zoology 73: 2251-2258.

Hohman, WL; Crawford, RD.  1995.  Molt in the annual cycle of Ring-necked Ducks. Condor 97: 473-483.

Jones, LA; Kruse, AD.  1995.  The Northern Great Plains--wildlife goals and objectives for the 1995 Farm Bill. Trans. North Am. Wildl. Natur. Resour. Conf. 60: 307-314.

Leafloor, JO; Ankney, CD; Risi, KW.  1995.  Social enhancement of wing molt in female Mallards. Canadian Journal of Zoology 74: 1376-1378.

McKindsey, C. W., McLaughlin, J. D. 1995. Specificity of Cyclocoelum mutabile (Digenea: Cyclocoelidae) miracidia toward intermediate snail hosts. Journal of Parasitology 81: 513-519.

McKindsey, C. W., McLaughlin, J. D. 1995. Seasonal field studies on the transmission and survival of Cyclocoelum mutabile (Digenea: Cyclocoelidae) infections in natural snail populations in southern Manitoba, Canada. Journal of Parasitology 81: 520-525.

Migoya, R; Baldassarre, GA.  1995.  Winter survival of female Northern Pintails in Sinaloa, Mexico. Journal of Wildlife Management 59: 16-22.

Sayler, RD.  1995.  Multivariate age assessments of Redheads in spring. Journal of Wildlife Management 59: 506-515.

Sorenson, MD.  1995.  Evidence of conspecific nest parasitism and egg discrimination in the Sora. Condor 97: 819-821.

Thompson, JE; Drobney, RD.  1995.  Intensity and chronology of postreproductive molts in male Canvasbacks. Wilson Bulletin 107: 338-358.

Wilson, BC; Rohwer, FC.  1995.  In-hand duck identification by hunters at Mississippi Flyway public hunting areas. Wildlife Society Bulletin 23: 472-480.

1996: 15

Combs, DL; Fredrickson, LH.  1996.  Foods used by male Mallards wintering in southeastern Missouri. Journal of Wildlife Management 60: 603-610.

Galatowitsch, SM; van der Valk, AG. 1996. Characteristics of recently restored and natural prairie wetlands. Wetlands 16:75-83.

Galatowitsch, SM; van der Valk, AG. 1996. The vegetation of restored and natural wetlands. Ecological Applications 6:102-112.

Ganter, B; Cooke, F.  1996.  Pre-incubation feeding activities and energy budgets of Snow Geese: can food on the breeding grounds influence fecundity? Oecologia 106: 153-165.

Ganter, B; Cooke, F; Mineau, P.  1996.  Long-term vegetation changes in a Snow Goose nesting habitat. Canadian Journal of Zoology 74: 965-979.

Garrettson, PR; Rohwer, FC; Zimmer, JM; Mense, BJ; Dion, N.  1996.  Effects of mammalian predator removal on waterfowl and non-game birds in North Dakota. Trans. North American Wildlife and Natural Resources Conference 61: 94-101.

Garrettson, PR; Rohwer, FC.  1996.  Loss of an abdominally implanted radio transmitter by a wild Blue-winged Teal. Journal of Field Ornithology 67: 355-357.

Garrettson, PR; Rohwer, FC; Jones, LA; Mense, BJ.  1996.  Predators to benefit prairie-nesting ducks. Pp. 192-196 in 7th International Waterfowl Symposium (JT Ratti, ed.). Ducks Unlimited, Inc., Memphis, TN.

Gray, BT; Gordon, DH; Kaminski, RM.  1996.  Activity patterns of dabbling ducks wintering in coastal South Carolina. Proc. Annual Conference SE Association Fish and Wildlife Agencies 50: 475-495.

Leonard, JP; Anderson, MG; Prince, HH; Emery, RB.  1996.  Survival and movements of Canvasback ducklings. Journal of Wildlife Management 60: 863-874.

Lindberg, MS; Malecki, RA.  1996.  Hunting vulnerability of local and migrant Canada Geese: a reply. Journal of Wildlife Management 60: 458-461.

Omland, KE.  1996.  Female Mallard mating preferences for multiple male ornaments. I. Natural variation. Behavioural Ecology and Sociobiology 39: 353-360.

Omland, KE.  1996.  Female Mallard mating preferences for multiple male ornaments. II. Experimental variation. Behavioural Ecology and Sociobiology 39: 361-366.

Sayler, RD.  1996.  Behavioral interactions among brood parasites with precocial young: Canvasbacks and Redheads on the Delta Marsh. Condor 98: 801-809.

Thompson, JE; Drobney, RD.  1996.  Nutritional implications of molt in male Canvasbacks: variation in nutrient reserves and digestive tract morphology. Condor 95: 512-526.

1997:17

Anderson, MG; Emery, RB; Arnold, TW. 1997. Reproductive success and femaile survival affect local population density of canvasbacks. Journal of Wildlife Management 61: 1174-1191.

Arnold, TW; Ankney, CD. 1997. The adaptive significance of nutrient reserves to breeding American Coots: a reassessment. Condor 99: 91-103.

Arnold, Tw; Thompson, JE; Ankney, CD. 1997. Using post-ovulatory follicles to determine laying histories of American Coots: implications for nutrient reserve studies. Journal of Field Ornithology 68: 19-25.

Feldheim, CL. 1997. The length of incubation in relation to nest initiation date an clutch size in dabbling ducks. Condor 99: 997-1001.

Krementz, DG; Brown, PW; Kehoe, FP; Houston, CS. 1997. Population dynamics of White-winged Scoters. Journal of Wildlife Management 61: 222-227.

MacCluskie, MB; Flint, PL; Sedinger, JS. 1997. Variation in incubation periods an egg metabolism in Mallards; intrinsic mechanisms to promote hatch synchrony. Condor 99: 224-228.

Nelson, CH. 1997. Eye-color changes in flightless ducklings of Lesser and Greater Scaup. Aythya affinis and Aythya marila. Wildfowl 47: 194-197.

Omland, KE. 1997. Correlated rates of molecular and morphological evolution. Evolution 51: 1381-1393.

Omland, KE. 1997. Examining two standard assumptions of ancestral reconstructions: repeated loss of dichromatism in dabbling ducks (Anatini). Evolution 51: 1636-1646.

Robinson, GGC; Gurney, SE; Goldsborough, LG. 1997. Response of benthic and planktonic algal biomass to experimental water-level manipulation in a prairie lakeshore wetland. Wetlands 17: 167-181.

Robinson, GGC; Goldsborough, LG. 1997. The primary production of benthic and planktonic algae in a prairie wetland under controlled water-level regimes. Wetlands 17: 182-194.

Rowher, FC; Garrettson, PR; Mense, BJ. 1997.Can predator trapping improve waterfowl recruitment in the Prairie Pothole Region? Proceedings of the Eastern Wildlife Damage Management Conference 7: 12-22.

Sorenson, MD. 1997. Effects of intra- and interspecific parasitism on a precocial host, the Canvasback, Aythya valisineria. Behavioral Ecology 8: 153-161.

Thompson, JE; Drobney, RD. 1997. Diet and nutrition of male Canvasbacks during postreprodutive molts. Journal of Wildlife Management 61: 426-434.

Wrubleski, DA; Murkin, HR; vander Balk, AG; Davis, CB. 1997. Decomposition of litter and three mudflat annual species in a northern prairie marsh during drawdown. Plant Ecology 129: 141-148.

Yerkes, T. 1997. A trap for ducks using artificial nesting structures. Journal of Field Ornithology 68: 147-149.Zimmer, JM. 1997. Poor retention rates of 8-g anchor radio trasmitters by Northern Shovelers. Journal of Field Ornitholgy 68: 526-529.

1998: 14

Brua, R.B. 1998 Negative effects of patagial tags on Ruddy Ducks. Journal of Field Omithology 69. 530-535.

Davis, JB; Kaminski, RM; Stephens, SC. 1998 Wood duck eggshell membranes predict duckling numbers. Wildlife Society Bulletin 26: 299-301.

Garrettson, PR; Rowher, FC. 1998. Reproductive effort and survival of wild Blue-winged Teal, Anas discors, with backpack harness and implant transmitters. Canadian Field-Naturalist. 112:212-216.

Garrettson, PR; Rohwer, FC 1998 Prairie Naturalist.Gordon, DH; Gray, BT, Kaminski, RM. 1998. Dabbling duck-habitat associations during winter in coastal South Carolina.

Gunter, Cooke. Auk

Machin, KL; Caulkett, NA. 1998. Cardiopulmonary effects of propofol and a medetomidine-midazolam-ketamine combination in mallard ducks. American Journal of Veterinary Research. 59:598-602.

Manlove, C.A and G.R. Hepp 1998 Effect of mate removal on incubation behavior and reproductive success of female wood ducks. Condor 100: 668-693

Stephens, S.E., Kaminski, R.M., B.D. Leopold and P.D. Gerard 1998 Reproduction of wood ducks in large and small nest boxes. Wildlife Society Bulletin 26: 159-167

1999: 4

Arnold, TW.  1999.  Journal of Avian Biology

Boon, LA; Ankney, CD.  1999.  Body size, nest initiation date, and egg production in Ruddy Ducks. Auk 116:228-231.

Hamilton, DJ; Nudds, TD; Neate, J.  1999.  Size-selective predation of blue mussels (Mytilus edulis) by Common Eiders (Somateria mollissima) under controlled field conditions. Auk 116: 403-416.

Lercel, BA; Kaminski, RM; Cox, RR, Jr.  1999.  Mate loss in winter affects reproduction in Mallards. Journal of Wildlife Management 63: 621-629.

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2001: 3

Hepp, G.R. and Manlove, C.A. 2001 A comparison of methoxyflurane and propofol to reduce nest abandonment by wood ducks. Wildlife Society Bulletin 29: 546-550

Esler, D., Grand, J.B. and A.D. Afton 2001 Intraspecific variation in nutrient reserve use during clutch formation by lesser scaup. Condor 103: 810-8202000

Manlove, C.A. and G.R. Hepp 2001 Patterns of nest attendance in female wood ducks. Wildlife Society Bulletin 29: 546-550

2002 : 5

Alisauskas, R.T. 2002 Arctic climate, spring nutrition and recruitment in midcontinent lesser snow geese. Journal of Wildlife Management 66: 181-193

Brook, R.W. and R.G. Clark.  2002.  Retention and effects of nasal markers and subcutaneously implanted radio transmitters on breeding female Lesser Scaup.  J. Field Ornithol. 73: 206-212.

Caswell, J. H. 2001. Vulnerability of non-target goose species to hunting with electronic snow goose calls. Thesis, Louisiana State University, Baton Rouge Louisiana, USA.

Gendron, M. and R.G. Clark 2002 Survival of gadwall and mallard ducklings in southcentral Saskatchewan. Journal of Wildlife Management 66: 170-180

Mueller, M.H. and van der Valk, A.G.  2002.  The potential role of ducks in wetland seed dispersal. Wetlands 22: 170-178.