Calcarius
- 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.
- 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.
- Smith's Longspur Calcarius pictus
This longspur breeds in the Arctic and moves to central North American grasslands for winter.
- 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.
- 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.
- Smith's Longspur Calcarius pictus
This longspur breeds in the Arctic and moves to central North American grasslands for winter.