Biak Gerygone

The Biak gerygone (Gerygone hypoxantha) is a species of bird in the family Acanthizidae. It is endemic to the islands of Biak and Supiori in West Papua, Indonesia. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist shrubland. It is threatened by habitat loss and is listed as vulnerable by the IUCN. It was previously treated as a subspecies of the large-billed gerygone (Gerygone magnirostris).