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Family living sets the stage for cooperative breeding and ecological resilience in birds [PLOS Biology]

Subject Areas : social systems, animal sexual behavior, birds, animal phylogenetics, seasons, evolutionary biology, principal component analysis, phylogenetic analysis

par Frédéric Magné - publié le

Cooperative breeding is an extreme form of cooperation that evolved in a range of lineages, including arthropods, fish, birds, and mammals. Although cooperative breeding in birds is widespread and well-studied, the conditions that favored its evolution are still unclear. Based on phylogenetic comparative analyses on 3,005 bird species, we demonstrate here that family living acted as an essential stepping stone in the evolution of cooperative breeding in the vast majority of species. (...)

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