| low level of extra-pair paternity between nearest neighbors results from female preference for high-quality males in the yellow-rumped flycatcher (ficedula zanthopygia). | extra-pair copulation is considered to be a means by which females can modify their initial mate choice, and females might obtain indirect benefits to offspring fitness by engaging in this behavior. here, we examined the patterns of extra-pair paternity and female preferences in the yellow-rumped flycatcher (ficedula zanthopygia). we found that female yellow-rumped flycatchers are more likely to choose larger and relatively highly heterozygous males than their social mates as extra-pair mates, t ... | 2017 | 28257431 |