The authors used 38 years of songbird data to estimate sex-specific additive genetic variances (VA) in breeding date while accounting for fine-scale location-based variance (VLoc). They found significant sex-specific VA, a strongly positive cross-sex genetic correlation and that modelling VLoc did not alter estimated VA when relatives breed in separate locations. Ryan R. Germain et al. http://dx.doi.org/10.1111/1365-2656.12575

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