Longspur

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 McCown's Longspur, Rhyncophanes mccownii, which is now placed in a separate genus.

The full list of species is:
 * Lapland Longspur, or Lapland Bunting, Calcarius lapponicus
 * Smith's Longspur, Calcarius pictus
 * Chestnut-collared Longspur, Calcarius ornatus