incubate
7.The egg size is (35.4±1.3) mmx(27.9±1.2)mm. The parents incubate in turn.
8.The Attempting to Anificially Incubate Eggs of Apes apus pekinensis Abandoned and Feed the Young Bird
9.large-footed short-winged birds of Australasia; build mounds of decaying vegetation to incubate eggs.
10.Male birds feed their monogamous partners as they incubate clutches of eggs—typically three per season.


