| Chestnut-collared longspur | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Calcariidae |
| Genus: | Calcarius |
| Species: | C. ornatus
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| Binomial name | |
| Calcarius ornatus (Townsend, 1837)
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The chestnut-collared longspur (Calcarius ornatus) 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.
- ^ BirdLife International (2020). "Calcarius ornatus". IUCN Red List of Threatened Species. 2020: e.T22721040A180649581. doi:10.2305/IUCN.UK.2020-3.RLTS.T22721040A180649581.en. Retrieved 18 November 2021.