{"fact":"Female crows seem to have a say in who fathers their chicks. While within-pair copulations were encouraged, females actively resisted most observed extra-pair copulation attempts.","context":"The six within-pair copulations that we observed were all solicited by female breeders, whereas the fourteen extrapair copulation attempts that we observed (both by auxiliary and extragroup males) appeared to be resisted by female breeders","source":"Andrea K. Townsend; Anne B. Clark; Kevin J. McGowan; Irby J. Lovette, Reproductive partitioning and the assumptions of reproductive skew models in the cooperatively breeding American crow, 10.1016/j.anbehav.2008.10.030","index":531}