Biak Leaf Warbler Phylloscopus misoriensis

A small dull-colored warbler with a greenish upperside, instinct wingbars, a pale throat, and yellowish underparts. Singles, pairs, and small groups inhabit lowland and hill forest, including secondary forest. Often joins mixed-species flocks. Sings a variable high-pitched warble mixed with twittering phrases. The most similar species in its limited range is Biak White-eye, but Biak Leaf Warbler is identified by its more uniformly yellowish underparts. Separated from other small yellowish birds such as flowerpeckers and sunbirds by the shape of the bill.