Red-billed Emerald (Chlorostilbon gibsoni) [XC13949]
by Oswaldo Cortes from RNA Hormiguero de Torcoroma, Oca\u00f1a, Norte de Santander, Colombia (call)
Red-billed Emerald (Chlorostilbon gibsoni) [XC92389]
by Oswaldo Cortes from Parque Nacional Natural Macuira, Colombia (song)
Subspecies
Considered by some authors to be a subspecies of Blue-tailed Emerald (Chlorostilbon mellisugus).
The following 3 subspecies are recognised:
gibsoni (Fraser, 1840) - Colombia, north-western Venezuela. Considered by some authors to be a subspecies of Blue-tailed Emerald (Chlorostilbon mellisugus).
chrysogaster (Bourcier, 1843) - Northern Colombia from Cartagena to Santa Marta. Considered by some authors to be a subspecies of Blue-tailed Emerald (Chlorostilbon mellisugus).
nitens Lawrence, 1861 - North-eastern Colombia and north-western Venezuela (western and north of Andes of Mérida). Considered by some authors to be a subspecies of Blue-tailed Emerald (Chlorostilbon mellisugus).
BirdLife International Species Factsheet