Lagopus
| Lagopus Temporal range: Early Pliocene to present | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Aves | 
| Order: | Galliformes | 
| Family: | Phasianidae | 
| Tribe: | Tetraonini | 
| Genus: | Lagopus Brisson, 1760 | 
| Type species | |
| Tetrao lagopus Linnaeus, 1758 | |
| Species | |
| See text | |
Lagopus is a genus of birds in the grouse subfamily commonly known as ptarmigans (/ˈtɑːrmɪɡənz/). The genus contains four living species with numerous described subspecies, all living in tundra or cold upland areas.