Cloth $142.00 ISBN: 9780226076256 Published July 1996
Paper $55.00 ISBN: 9780226076263 Published July 1996

Coloniality in the Cliff Swallow

The Effect of Group Size on Social Behavior

Charles R. Brown and Mary Bomberger Brown

Coloniality in the Cliff Swallow
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Charles R. Brown and Mary Bomberger Brown

580 pages | 24 halftones, 173 line drawings, 38 tables | 6 x 9 | © 1996
Cloth $142.00 ISBN: 9780226076256 Published July 1996
Paper $55.00 ISBN: 9780226076263 Published July 1996
Many animal species live and breed in colonies. Although biologists have documented numerous costs and benefits of group living, such as increased competition for limited resources and more pairs of eyes to watch for predators, they often still do not agree on why coloniality evolved in the first place.

Drawing on their twelve-year study of a population of cliff swallows in Nebraska, the Browns investigate twenty-six social and ecological costs and benefits of coloniality, many never before addressed in a systematic way for any species. They explore how these costs and benefits are reflected in reproductive success and survivorship, and speculate on the evolution of cliff swallow coloniality.

This work, the most comprehensive and detailed study of vertebrate coloniality to date, will be of interest to all who study social animals, including behavioral ecologists, population biologists, ornithologists, and parasitologists. Its focus on the evolution of coloniality will also appeal to evolutionary biologists and to psychologists studying decision making in animals.
Contents
Preface
1: Introduction
2: Field Methods and Data Analysis
3: Study Site and Study Population
4: Ectoparasitism
5: Competition for Nest Sites
6: Misdirected Parental Care: Extrapair Copulation, Brood Paratisism, and Mixing of
Offspring
7: Shortage of Suitable Nesting Sites
8: Avoidance of Predators
9: Social Foraging 1: Natural History, Food Distribution, and Mechanisms of Information
Transfer
10: Social Foraging 2: Effects of Colony Size
11: Reproductive Success
12: Survivorship
13: Colony Choice
14: The Evolution of Coloniality
Appendix
References
Index
For more information, or to order this book, please visit http://www.press.uchicago.edu
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