Table 3. The proportion of closely related kin in cooperative breeding groups of Taiwan yuhinas at Meifeng (MM: male-male pairs; FF: female-female pairs; MF: male-female pairs).

	Breeding group	Pairs	MM pairs	FF pairs	MF pairs
Sample size	69	564	113	115	336
Number of kin group or dyads	38	69	29	11	29
Percent (%)	55.07	12.23	25.66	9.57	8.63