As is Blue-capped Hummingbird, it is sometimes considered a subspecies of the more widespread Stripe-tailed Hummingbird.
The White-tailed Hummingbird is classified as Vulnerable (VU), considered to be facing a high risk of extinction in the wild.
The White-tailed Hummingbird (Eupherusa poliocerca) is a species of hummingbird endemic to subtropical moist forest in the westernmost portion of the Sierra Madre del Sur in Guerrero and extreme western Oaxaca, Mexico. Its tiny range is threatened by habitat loss. As is Blue-capped Hummingbird, it is sometimes considered a subspecies of the more widespread Stripe-tailed Hummingbird. References - * BirdLife International 2004. Eupherusa poliocerca. More
White-tailed Hummingbird male in hand Ricarda Ramirez White-tailed Hummingbird female in hand Ricarda Ramirez Juan Fern More