White-tailed hummingbird (Eupherusa poliocerca)

Eupherusa poliocerca is a species in the Eupherusa genus. It is commonly known as White-tailed hummingbird This name is unplaced name for the species in the family Trochilidae subfamily Trochilinae, tribe Trochilini, . This species is found in Sierra Madre del Sur in Guerrero and extreme western Oaxaca, Mexico.