Hummingbirds (Trochilidae)

White-tailed Hummingbird (Eupherusa poliocerca) - HBW 5, p. 580

French: Colibri du Guerrero German: Weißschwanzkolibri Spanish: Colibrí de Guerrero

Taxonomy: Eupherusa poliocerca Elliot, 1871, Putla, Oaxaca, Mexico.
Forms a superspecies with E. cyanophrys and E. eximia; sometimes regarded as conspecific with former, but morphological differences justify their separation as two full species. Monotypic.

Distribution: Pacific slope of Guerrero (Sierra Madre del Sur) and W Oaxaca, S Mexico.