The distribution of relatedness among same sex, co-breeding individuals in the same group and among all same-sex dyads of yuhinas in the Meifeng population.

<p>There was no significant difference between the mean relatedness of co-breeders and all individuals in the population. (a) pairwise relatedness distribution among male-male dyads in the same group and among all male-male dyads in the population; (b) pairwise relatedness distribution among female-female dyads in the same group and among all female-female dyads in the population.