Eupherusa
| Eupherusa | |
|---|---|
| Oaxaca hummingbird, Eupherusa cyanophrys | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Aves | 
| Clade: | Strisores | 
| Order: | Apodiformes | 
| Family: | Trochilidae | 
| Tribe: | Trochilini | 
| Genus: | Eupherusa Gould, 1857 | 
| Type species | |
| Ornismya eximia DeLattre, 1843 | |
| Species | |
| 5, see text | |
Eupherusa is a genus of hummingbirds in the family Trochilidae. It contains the following five species:
| Common name | Scientific name and subspecies | Range | Size and ecology | IUCN status and estimated population | 
|---|---|---|---|---|
| Mexican woodnymph | Eupherusa ridgwayi (Nelson, 1900) | west Mexico | Size: Habitat: Diet: | VU 
 | 
| Oaxaca hummingbird | Eupherusa cyanophrys Rowley & Orr, 1964 | Sierra Madre del Sur in the Mexican state of Oaxaca | Size: Habitat: Diet: | EN 
 | 
| Stripe-tailed hummingbird | Eupherusa eximia (Delattre, 1843) | southeastern Mexico to Panama. | Size: Habitat: Diet: | LC 
 | 
| Black-bellied hummingbird | Eupherusa nigriventris Lawrence, 1868 | Costa Rica and Panama | Size: Habitat: Diet: | LC 
 | 
| White-tailed hummingbird 
 | Eupherusa poliocerca Elliot, 1871 | Sierra Madre del Sur in Guerrero and extreme western Oaxaca, Mexico | Size: Habitat: Diet: | NT 
 | 
The Mexican woodnymph was formerly placed in the genus Thalurania with other species with "woodnymph" in their English names. A molecular phylogenetic study published in 2014 found that Thalurania was non-monophyletic and that the Mexican woodnymph is closely related to species in Eupherusa. Based on this result the Mexican woodnymph is now placed in Eupherusa.