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Indirect fitness benefits through extra‐pair mating are large for an inbred minority, but cannot explain widespread infidelity among red‐winged fairy‐wrens

Lichtenauer, Wendy; van de Pol, Martijn; Cockburn, Andrew; Brouwer, Lyanne


Extra‐pair paternity (EPP) has been suggested to improve the genetic quality of offspring, but evidence has been equivocal. Benefits of EPP may be only available to specific individuals or under certain conditions. Red‐winged fairy‐wrens have extremely high levels of EPP, suggesting fitness benefits might be large and available to most individuals. Furthermore, extreme philopatry commonly leads to incestuous social pairings, so inbreeding avoidance may be an important selection pressure. Here,...[Show more]

CollectionsANU Research Publications
Date published: 2019-01-22
Type: Journal article
Source: Evolution
DOI: 10.1111/evo.13684
Access Rights: Open Access


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