Black-thighed Puffleg (Eriocnemis derbyi) [XC53630]
by Ottavio Janni from El Bosque, Reserva Zona Alta Rio Quindio, Quindio, Colombia (call)
Black-thighed Puffleg (Eriocnemis derbyi) [XC264481]
by id from Risaralda: upper Ucumar\u00ed Regional Park, w-slope of Central Andes, Colombia (call, calls)
Subspecies
Closely related to Black-breasted Puffleg (Eriocnemis nigrivestis) and Glowing Puffleg (Eriocnemis vestita). Populations at northern end of range have a slightly longer bill and these were formerly regarded as subspecies longirostris, but variation is clinal.