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The evolution of cooperative and pair breeding in thornbills Acanthiza (Pardalotidae)

Nicholls, James; Double, Michael; Rowell, David M; Magrath, Robert D


Most birds breed in pairs but at least 3% of passerine species are cooperative breeders, whereby more than two adults help to raise the young. The general rarity of cooperative breeding has led to the assumption that cooperative behaviour has evolved from the ancestral trait of pair breeding. However, it has been suggested that pair breeding may be the derived state in some taxa. The primary aim of this research was to test this suggestion using the genus Acanthiza, which contains examples of...[Show more]

CollectionsANU Research Publications
Date published: 2000
Type: Journal article
Source: Journal of Avian Biology


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