Extra-pair paternity is not driven by inbreeding avoidance and does not affect provisioning rates in a cooperatively breeding bird, the noisy miner (Manorina melanocephala)

Ahmad Barati, Rose L Andrew, Jamieson C Gorrell, Paul G McDonald and Andrea GriffinHandling Editor

Behavioral Ecology, 2018, vol. 29, issue 1, 244-252

Abstract: In many bird species, females mate with males other than their social partner, a behavior considered to be beneficial in terms of inbreeding avoidance, or to attract additional care of offspring from EP males. In noisy miners, we show that although 27% of broods contained EP offspring, EP males did not provide help to those broods. Moreover, we did not find evidence that this behavior functions as a mechanism to avoid inbreeding in this species.

Keywords: cooperative breeding; extra-pair paternity; Inbreeding avoidance; Manorina; melanocephala; noisy miner; provisioning effort (search for similar items in EconPapers)
Date: 2018
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