| Calcariidae | |
|---|---|
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| Lapland Longspur (Calcarius lapponicus) | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Superfamily: | Emberizoidea |
| Family: | Calcariidae Ridgway, 1901 |
| Genera | |
Calcariidae is a small family of passerine birds. It includes longspurs and snow buntings. There are six species in three genera worldwide, found mainly in North America and Eurasia. They are migratory and can live in a variety of habitats including grasslands, prairies, tundra, mountains, and beaches.