The Florida Scrub Jay MPB 20 Volume 20

The Florida Scrub Jay  MPB 20   Volume 20
Author : Glen Everett Woolfenden
Publisher : Princeton University Press
Total Pages :
Release : 2020-03-31
ISBN 10 : 9780691209982
ISBN 13 : 0691209987
Language : EN, FR, DE, ES & NL

The Florida Scrub Jay MPB 20 Volume 20 Book Description:

Florida Scrub Jays are an excellent example of a cooperative-breeding species, in which adult birds often help raise offspring not their own. For more than a decade Glen E. Woolfenden and John W. Fitzpatrick studied a marked population of these birds in an attempt to establish a demographic base for understanding the phenomenon of "helping at the nest." By studying both population biology and behavior, the authors found that habitat restraints, rather than kin selection, are the main source of the behavior of Florida Scrub Jays: the goal of increasing the number of close relatives other than descendants in future generations is of relatively minor importance in their cooperative-breeding behavior. The Florida Scrub Jay lives only in the Florida oak scrub. All acceptable habitat is constantly filled with breeders. Each year about half of the pairs are assisted by one to several nonbreeding helpers. This book provides extensive data on fecundity, survivorship, relatedness, and dispersal to establish the demographic milieu and to address questions arising out of observed helping behavior--whom, how, when, and why the helpers help.


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