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

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.

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

Ever since the acorn woodpecker was observed and described by Spanish explorers, its behavior--particularly the unique habit of caching acorns in specialized st