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The annual testosterone profile in cooperatively breeding superb fairy-wrens, Malurus cyaneus , reflects their extreme infidelity

Peters, Ann; Astheimer, Lee B; Cockburn, Andrew


Superb fairy-wrens are cooperatively breeding birds that combine stable, socially monogamous pair bonds and high levels of paternal care, with extreme levels of extra-pair mating and high levels of sexual competition. Our aim was to determine which testosterone correlates would prevail in such a life history that combines features that are conventionally associated with divergent hormone profiles. Unlike the situation in other species with monogamous pair bonds and high levels of paternal care,...[Show more]

CollectionsANU Research Publications
Date published: 2001
Type: Journal article
Source: Behavioral Ecology and Sociobiology
DOI: 10.1007/s002650100403


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