This genus includes the Longspurs.
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- Lapland Longspur: Calcarius lapponicus Introduction to this species, from Birds of North America Online, with a photograph and range map.
- Chestnut-collared Longspur: Calcarius ornatus Introduction to this species, from Birds of North America Online, with a photograph and range map.
- McCown's Longspur: Calcarius mccownii Introduction to this species, from Birds of North America Online, with a photograph and range map.
- Smith's Longspur: Calcarius pictus Introduction to this species, from Birds of North America Online, with a photograph and range map.