Fig. 1
From: Egg recognition in Cinereous Tits (Parus cinereus): eggshell spots matter
Brood parasitism experiments conducted in the nests of the Cinereous Tits (a seven Cinereous Tit eggs and one White-rumped Munia egg; b seven Cinereous Tit eggs and one White-rumped Munia speckled egg)