The Bismarck Whistler is a species of bird

Bird

Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...

 in the Pachycephalidae

Pachycephalidae

The family Pachycephalidae, collectively the whistlers, includes the whistlers, shrike-thrushes, shrike-tits, pitohuis and Crested Bellbird, and is part of the ancient Australo-Papuan radiation of songbirds. Its members range from small to medium in size, and occupy most of Australasia...

 family, which is endemic to the Bismarck

Bismarck Archipelago

The Bismarck Archipelago is a group of islands off the northeastern coast of New Guinea in the western Pacific Ocean and is part of the Islands Region of Papua New Guinea.-History:...

 and Louisiade Archipelago

Louisiade Archipelago

The Louisiade Archipelago is a string of ten larger volcanic islands frequently fringed by coral reefs, and 90 smaller coral islands located 200 km southeast of New Guinea, stretching over more than and spread over an ocean area of between the Solomon Sea to the north and the Coral Sea to...

s in Papua New Guinea

Papua New Guinea

Papua New Guinea , officially the Independent State of Papua New Guinea, is a country in Oceania, occupying the eastern half of the island of New Guinea and numerous offshore islands...

. It is variably considered a subspecies

Subspecies

Subspecies in biological classification, is either a taxonomic rank subordinate to species, ora taxonomic unit in that rank . A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more, never just one...

 of a widespread Golden Whistler

Golden Whistler

The Australian Golden Whistler is a species of bird found in forest, woodland, mallee, mangrove and scrub in Australia and in mountain forest in the Snow Mountains in the Papua Province of Indonesia. Most populations are resident, but some in south-eastern Australia migrate north during the winter...

 (P. pectoralis) or treated as a separate species, but strong published evidence in favour of either treatment is limited, and further study is warranted to resolve the complex taxonomic situation. The males of the Bismarck Whistler are white-throated unlike the yellow-throated males of the Oriole Whistler

Oriole Whistler

The Oriole Whistler , also known as the Yellow-throated Whistler , is a species of bird in the Pachycephalidae family, which is endemic to the Solomon Islands, and the islands of Bougainville and Buka in far eastern Papua New Guinea...

(P. orioloides) to the south-east.