There are four members of this genus. The
Chestnut-collared Longspur Calcarius ornatus is considered
near-threatened.
Lapland Longspurs
Calcarius lapponicus are known in the Old World as "Lapland Buntings". They are the commonest and most widespread member
of the genus. They nest in tundra and along the far northern coast of Alaska, Canada, and northern Eurasia. During winter, they migrate south of their breeding
range. This breeding male was photographed at Grim Reaper, Amila Island, Aleutians, Alaska, USA.