. 2007 Sep 26;2(9):e952. doi: 10.1371/journal.pone.0000952

Table 1. Assignment of social partners and extra-pair males to females for copulation trials.

Trial #	Pairing	Social partner	Clutch	Extra-pair male
1	1	B_{2 or 3}	1	B₁
2	1	B_{2 or 3}	1	B₄
3	1	B_{2 or 3}	2	B₄
4	1	B_{2 or 3}	2	B₁
5	2	A_{2 or 3}	1	A₄
6	2	A_{2 or 3}	1	A₁
7	2	A_{2 or 3}	2	A₁
8	2	A_{2 or 3}	2	A₄

Assignment is based on choice-chamber tests where the female ranked males in the order A₁>A₂>A₃>A₄ and B₁>B₂>B₃>B₄ (descending order of time allocation). Clutch denotes the number of the breeding attempt with the given social partner.