Aves > Passeriformes > Tyrannidae > Rhynchocyclinae > Oncostoma > Oncostoma cinereigulare

species: Oncostoma cinereigulare (Northern Bentbill, Bec-en-arc cendré)

Compare AOU treatments of Oncostoma cinereigulare, in Avibase (1886 to present).

Search for Oncostoma cinereigulare at Cornell Birds of North America.

Annotation: Monotypic.