Папуанский свистун Pachycephala soror

A medium-sized bird of mid-montane forest. Yellow belly, olive back and white throat. Male has a black head and border to the throat. Female has a brown head and diffuse olive chest band. The male is similar to several other golden whistlers but lacks the yellow patch behind the head. Female is similar to Regent, Lorentz’s and Vogelkop Whistler’s but has white throat and brown head. Voice, a series of typical whistlerlike “chew!” or “whip!” notes that get louder and end with an explosive quality.