Hummingbirds (Trochilidae)

Green-headed Hillstar (Oreotrochilus stolzmanni) - HBW 5, p. 623

French: Colibri de Stolzmann German: Grünkopf-Andenkolibri Spanish: Colibrí de Stolzmann
Other common names: Stolzmann’s Hillstar

Taxonomy: Oreotrochilus stolzmanni Salvin, 1895, Huamachuco and near Cajamarca, Peru.
Forms a superspecies with O. estella, O. chimborazo and O. leucopleurus, and all four have been considered conspecific, but separated largely on morphological grounds; present species frequently lumped into O. estella. Monotypic.

Distribution: Andes of N & C Peru (Cajamarca, Huánuco); recently reported from S Ecuador.