Published: 1985-01-01

Front Matter

Front Matter

Anonymous Anonymous

67-77

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Artikler

Population size and breeding success of Bewick's Swans wintering in Europe in 1983-4

Jan H Beekman, Sjoerd Dirksen, Teus H Slagboom

5-12

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A review of Soviet research on the Lesser Snow Goose on Wrangel Island, U.S.S.R.. R

M A Bousfield, Ye V Syroechkovskiy

13-20

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Spring activity patterns of migrating Greenland White-fronted Geese in West Greenland

A D Fox, S C Ridgill

21-28

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A case of bigamy in the Canada Goose

Eric Fabricius, Hugh Boyd

29-34

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Visual signalling in Canada Geese for the coordination of family units

Jeffrey M Black, James H, Jr Barrow

35-41

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Moult-skipping by the Lesser Magellan Goose in Argentina

Ronald W Summers, Susana I Martin

42-44

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Studies on the population ecology and migrations of wild geese in the German Democratic Republic

E Rutschke

45-48

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Studies on the population ecology and migrations of wild geese in the German Democratic Republic

E Rutschke

45-48

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Population dynamics of North American Light-bellied Brent Geese as determined by productivity and harvest surveys

Ronald E Kirby, Thomas W Barry, Richard H Kerbes, Holliday H, III Obrecht

49-52

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Time budgets of Northern Pintails wintering in the Sacramento Valley, California

Michael R Miller

53-64

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Foods of male Mallard, before and during moult, as determined by faecal analysis

Gran Hartman

65-71

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Diving by wintering Black Ducks: an assessment of atypical foraging

Lynn M Brodsky, Patrick J Weatherhead

72-76

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Gizzard grit in some Australian waterfowl

F I Norman, R S Brown

77-80

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Duck shooting in the United Kingdom

John Harradine

81-94

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Hunting as a key environmental parameter for the Western Palearctic duck populations

Alain Tamisier

95-103

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Some considerations on the social requirements of ducks in winter

Alain Tamisier

104-108

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Display inventory of the Blue Duck

Jan L Eldridge

109-121

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Protein acquisition: a possible proximate factor limiting clutch size in Wood Ducks

Ronald D Drobney, Leigh H Fredrickson

122-128

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Diet and size of the digestive organs of Spur-winged Geese

S A Halse

129-134

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Socially induced suppression of breeding plumage in the Maccoa Duck

W R Siegfried

135-137

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[Review of] Current research on Arctic Geese: A symposium held at Voksenasen, Oslo, 24-26 October 1983

F Mehlum, M A Ogilvie

138-150

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Reports

Number of swans and ducks in Britain, 1983-84

D.G. Salmon

151

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Numbers of geese in Britain and Ireland, 1984-85

M.A. Ogilvie

152

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Ringing by the Wildfowl Trust, 1984

M.A. Ogilvie

153

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Wildfowl Trust avicultura! report, 1984

Anonymous anonymous

154-155

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Publications, 1984, by or with the assistance of Wildfowl Trust staff and facilities.

Anonymous anonymous

156

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