Table 1. Musculus females perform assortative mate choice.

	Mean ± SE			N♀ (%)
	Mus ♂	Dom ♂	P	Mus ♂	Dom ♂
Mount attempt	75±24	11±6	0.15	7 (100)	4 (57)
Female rejection	0±0	0±0	NS	0 (0)	0 (0)
Mount	7±1	3±2	0.18	7 (100)	2 (29)
Ejaculation	0.7±0.3	0±0	0.09	4* (57)	0 (0)

Male mount attempts, female rejection behavior, mounts, and ejaculations are presented in average (Mean ± SE) and for individual females (N_♀ and percentage).

^*indicates that one out of four females received 2 ejaculations from the musculus male during the one hour test. P values of Wilcoxon test comparing musculus and domesticus means are also presented (Mus, musculus; Dom, domesticus; NS, not significant).