Aves > Passeriformes > Calcariidae > Calcarius > Calcarius ornatus

species: Calcarius ornatus (Chestnut-collared Longspur, Plectrophane à ventre noir)

Compare AOU treatments of Calcarius ornatus, in Avibase (1886 to present).

Search for Calcarius ornatus at Cornell Birds of North America.

Annotation: Monotypic.