Cooperative breeders are species in which more than a pair of individuals assist in the production of young. Cooperative breeding is found in only a few hundred

Brings together long-term studies of cooperation in vertebrates that challenge our understanding of the evolution of social behavior.

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 de

An overview of the extensive and frequently controversial literature on communally breeding birds developed since the early 1960s, when students of evolution be

COOPERATIVE BREEDING AND SOCIAL BEHAVIOR IN ANIMAL SOCIETIES.