Black-breasted Boatbill
- kingdom: Animalia
- phylum: Chordata
- class: Aves
- order: Passeriformes
- family: Machaerirhynchidae
- genus: Machaerirhynchus
- species: Machaerirhynchus nigripectus
Warmare
West Papua
Indonesia
Tari
Hela- Wau
Morobe- Mendi
Southern Highlands- Mount Hagen
Western Highlands
Papua New Guinea