Bougainville Honeyeater

A nest parasite that lays its eggs in the nests of African and Black-bellied Firefinches and Brown and Dybowski's Twinspots. Breeding males are glossy black with blue iridescence and a pale brownish panel in the wings. Females and non-breeding males are streaky and brown on the back and pale below, with a bold facial pattern. The bill is whitish and the legs very pale purplish. Found locally in lush woodland, savanna, and cultivated areas. Given current knowledge, can only be confidently identified by mimicked vocalizations. Each male parasitizes only one of the four host species and imitates its vocalizations, often mixing them into a scratchy jumble of high-pitched notes. 

A medium-sized typical nightjar with a golden-buff collar. Both sexes have small pale marks in the outer wings and at the corners of the tail. These are larger and whiter on males, and smaller and more buffy in females. Generally local and uncommon in savanna and grassland habitats, often in rocky areas. Similar to Nubian Nightjar, but darker overall, with less rufous in the wings. Also similar to many other nightjars, and best identified by voice. Call is a high-pitched, mechanical trill, similar to that of Plain Nightjar, but slightly lower-pitched.

A thrush-sized olive-colored songbird with a long, fairly heavy bill. Plumage uniform olive-green except for narrow yellow chin, yellow patch between the bill and the eye, and partial yellow eye-ring above the eye. Pairs or small groups occupy forest, degraded forest, edges, and plantations from sea level to foothills. Unmistakable; limited to the island of Buru. Song starts with several soft “pip” or “chek” notes, then explodes in a series of variable whistles, e.g. “WEE-WEE-WEE-WEK-pewee-pewee-WEE-WEE.” Calls include dry “chek” notes and rasping “chirrrik” calls.