Allen's hummingbird
| Allen's hummingbird | |
|---|---|
| Adult male | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Aves | 
| Clade: | Strisores | 
| Order: | Apodiformes | 
| Family: | Trochilidae | 
| Genus: | Selasphorus | 
| Species: | S. sasin  | 
| Binomial name | |
| Selasphorus sasin (Lesson, RP, 1829)  | |
| Range of S. sasin    Breeding range   Year-round range   Wintering range  | |
Allen's hummingbird (Selasphorus sasin) is a species of hummingbird that breeds in the western United States. It is one of seven species in the genus Selasphorus.