Oriental cuckoo brood parasite

It is a brood parasite, laying its eggs in the nests of other birds. The nests of Phylloscopus warblers such as the Arctic Warbler, Eastern Crowned Warbler, Willow Warbler and Chiffchaff are commonly used. Other hosts include the Olive-backed Pipit and Asian Stubtail. The eggs are smooth, slightly glossy and vary in colour, sometimes mimicking those of the host species. They are incubated for about 12 days. The young cuckoo is born naked and has an orange gape with black patches. Within a few days it pushes