Pallas’s leaf warbler
Pallas’s leaf warbler is one of the smallest Palearctic warblers, with a relatively large head and short tail. It has greenish upperparts and white underparts, a lemon-yellow rump, and yellow double wingbars, supercilia and central crown stripe. The female builds a cup nest in a tree or bush, and incubates the four to six eggs, which hatch after 12–13 days....