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Reproductive partitioning and the assumptions of reproductive skew models in the cooperatively breeding American crow

✍ Scribed by Andrea K. Townsend; Anne B. Clark; Kevin J. McGowan; Irby J. Lovette

Book ID
113451801
Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
270 KB
Volume
77
Category
Article
ISSN
0003-3472

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## Background Group formation and food sharing in animals may reduce variance in resource supply to breeding individuals. For some species it has thus been interpreted as a mechanism of risk avoidance. However, in many groups reproduction is extremely skewed. In such groups resources are not shared