Chestnut-collared Longspur
Calcarius ornatus
- Vulnerable
- Card rarity: Rare
- Birds

The chestnut-collared longspur is a species of bird in the family Calcariidae. Like the other longspurs, it is a small ground-feeding bird that primarily eats seeds. It breeds in prairie habitats in Canada and the northern United States and winters to the south in the United States and Mexico.
Classification
- Class
- Aves
- Order
- Passeriformes
- Family
- Calcariidae
- Genus
- Calcarius