Category
page 1Calcariidae

Calcariidae
Calcariidae is a small family of passerine birds. It includes longspurs and snow buntings. There are six species in three genera worldwide, found mainly in North America and Eurasia. They are migratory and can live in a variety of habitats including grasslands, prairies, tundra, mountains, and beaches.

Calcarius
The longspurs, genus Calcarius, are a group of birds in the family Calcariidae. The name refers to the long claw on the hind toe of each foot. The genus formerly included the thick-billed longspur, Rhyncophanes mccownii, which is now placed in a separate genus.

Plectrophenax
Plectrophenax is a small genus of passerine birds of the longspur family Calcariidae.

Thick-billed Longspur
species of bird