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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 andExpand
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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 incubationExpand
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The Island Waterfowl
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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 lowExpand
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Wetlands of Canada
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Freshwater Marshes. Ecology and Wildlife Management
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An Automatic Nest-Trap for Waterfowl
cartridges misfired, or 5 per cent of the total used. In total, 17 burrows required retreatment on the next or subsequent days. It may be noticed that on May 9th a fair number of burrows were treatedExpand
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