Table 3. Details of the first phase of the breeding experiment including the numbers of DOM Bielefeld and WHITE Bielefeld individuals of each sex that were housed in three different aviaries and the number of resulting broods.

Population	Sex	Aviary
		1	2	3
DOM Bielefeld	Male	–	4	–
	Female	3	–	3
WHITE Bielefeld	Male	3	–	3
	Female	–	4	–
Number of F1 offspring (broods)	10 (5)	9 (4)	6 (2)