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Life-history traits as causes or consequences of social behaviour: why do cooperative breeders lay small clutches?

Hardling, Roger; Kokko, Hanna


Cooperatively breeding birds tend to exhibit high adult survival and relatively small clutch sizes. According to the life-history hypothesis for cooperative breeding, high survival creates conditions for philopatry based on difficulties that dispersers face when competing for territories in a landscape with slow territory turnover. However, this hypothesis evokes a puzzle because high fecundity should also lead to problems in territory acquisition because of the large number of competitors for...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
Source: Evolutionary Ecology Research


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