Dusky-tailed Flatbill
- kingdom: Animalia
- phylum: Chordata
- class: Aves
- order: Passeriformes
- family: Tyrannidae
- genus: Ramphotrigon
- species: Ramphotrigon fuscicauda
San Borja
El Beni
Bolivia
Alta Floresta
Mato Grosso
Brazil
Tambopata
Madre de Dios
Peru