Birds at rest : The behavior and ecology of avian sleep / Roger F. Pasquier ; illustrated by Margaret La Farge.

Cover
Contents
Preface
Acknowledgments
1. Why Birds Sleep
2. Lighter Rest and Deeper Sleep
3. Where to Roost?
4. Specialized Roost Sites
5. Social Aspects of Roosting
6. Flock Roosts
7. Roosting Times
8. To and From Communal Roosts
9. Predation, Parasitism, and Competition
10. Human Impacts
Bibliography
Index