Front Matter

The behaviour of Bewick's Swans at the Welney Wildfowl Refuge, Norfolk, and on the surrounding fens: a comparison

5-18

Winter behaviour of wild Whistling Swans: a comparison with Bewick's Swans

19-21

Mortality of Mute Swan progeny in an area of south Staffordshire

22-28

Mute Swans on the Warwickshire Avon - a study of a decline

29-36

Status and dynamics of a Mute Swan population near Oxford between 1976 and 1978

37-50

A possible advantage for the 'Polish' morph of the Mute Swan

51-52

Breeding distribution and habitat selection of Red-breasted Mergansers in freshwater in western Norway

53-56

Duckling mortality in the Shelduck, in relation to density, aggressive interaction and weather

57-72

The ecology of breeding waterfowl at the Ouse Washes, England

73-88

Moult migration of Lesser Snow Geese

89-93

Seasonal changes in the food supply, numbers and male plumages of Pigmy Geese on the Thamalakane river in northen Botswana

94-98

Observations of wing-feather moult and summer feeding ecology of Steller's Eiders at Nelson Lagoon, Alaska

99-106

The migration through Europe and wintering in West Africa of Curlew Sandpipers

107-122

Winter seaducks in the Moray and Dornoch Firths, Scotland

123-130

Wintering diving duck populations and available food resources in the Baltic

131-143

The Cape Barren Goose in Victoria, Australia: management related to agriculture

144-150

The habitat and dietary preferences of Dark-bellied Brent Geese and Wigeon in relation to agricultural management

151-157

Atlantic Brant - human commensalism on eelgrass beds in New Jersey

158-160

The distribution, fall migration routes and survival of Ross's Geese

161-171

Numbers of geese in Britain and Ireland, 1979-1980

172

Ringing by the Wildfowl Trust, 1979

173

Wildfowl Trust avicultural report, 1979

174-175

Publications, 1979, by or with the assistance of Wildfowl Trust staff and facilities

176