Calcariidae

• Calcarius
• Plectrophenax
• Rhynchophanes
• Snow Bunting Plectrophenax nivalis

  A small bird that breeds among Arctic rocks and forms flocks in open places in North America during winter. It searches the ground for seeds and insects.

• Lapland Longspur Calcarius lapponicus

  Breeding males show a black face and chestnut nape. In winter, the birds may gather in flocks in North American fields.

• Thick-billed Longspur Rhynchophanes mccownii

  The Thick-billed Longspur breeds in North American shortgrass prairie and moves to open land farther south for winter.

• Chestnut-collared Longspur Calcarius ornatus

  The Chestnut-collared Longspur is a grassland bird whose plumage changes by season. Breeding males show a chestnut nape and black belly, and the birds forage on the ground for insects and seeds.

• McKay's Bunting Plectrophenax hyperboreus

  McKay's Bunting breeds on islands in the Bering Sea and moves to the west coast of Alaska for winter.

• Smith's Longspur Calcarius pictus

  This longspur breeds in the Arctic and moves to central North American grasslands for winter.