1st International Swan Symposium 1973: Slimbridge, Gloucestershire, UK
Environmental stress on the Whistling Swan by William W. H. Gunn
A continental study of Whistling Swans using neck collars by William J. L. Sladen
The use of small airplanes to gather swan data in Alaska by James G. King
Trumpeter Swan management by Henry A. Hansen
Hyôko: winter habitat of wild swans at Suibara by Rose Lesser
Mortality o f the Black Swan in New Zealand—a progress report by Murray Williams
Lead shot in Bewick’s Swans by Mary E. Evans, N. A. Wood and Janet Kear
Leucistic Bewick’s Swans by Mary E. Evans and Tom Lebret
Fluctuations in the numbers of wildfowl on an equatorial hippo wallow by S K Eltringham
Waterfowl in north-east Asia by A A Kistchinski
A cosmopolitan duck moulting resort; Takslesluk Lake Alaska by James G King
Behaviour and distribution of wild geese in south-east Scotland by I Newton, V M Thom, W Brotherston
The management of grassland areas for wintering geese by Myrfyn Owen
The manurial effect of Cape Barren Goose droppings by Richard W Marriott
Proximate and ultimate determinants of clutch size in Anatidae by Paul A Johnsgard
Platform-building by male and female Ruddy Ducks by W Roy Siegfried
Icelandic eiders—a few observations by Ralph S Palmer
Maternal nesting behaviour by male Mallards by Charles Dane, Willard Steffen, Patrick Caldwell