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Wetland Birds: Habitat Resources and Conservation Implications
Preface Acknowledgements 1. Introduction 2. Wetlands: what, where and why 3. Major groups of birds that use wetlands 4. Water and other resource influences 5. Foods, feeding tactics, strategies and
A Simple Field Candler for Waterfowl Eggs
In nesting studies of waterfowl and other game birds it is often desirable to determine the stages of incubation of clutches of eggs. This information makes it possible to determine when incubation
The Island Waterfowl
Biology and Conservation of the Laysan Duck (Anas laysanensis)
-A two-summer, mark-recapture study of Laysan Ducks (Anus laysanensis) resulted in a population estimate of 5 10 birds with over 90% of the birds marked. Individuals seemed long-lived with the low
An Automatic Nest-Trap for Waterfowl
The results do not appear to be satisfactory, and implies the need for more controlled experiments and for more fundamental knowledge of the biology of the species.