Western Emerald (Chlorostilbon melanorhynchus) [XC238134]
by Niels Krabbe from Pichincha: La Buena Esperanza, Tumbaco, Ecuador (song)
Western Emerald (Chlorostilbon melanorhynchus) [XC527987]
by Jerome Fischer from Ukuku Rural Lodge, Juntas, Ibague, Tolima, Colombia @ (4.5585,-75.3275), Colombia (call)
Subspecies
Chlorostilbon mellisugus (Sibley and Monroe 1990, 1993) has been split into Blue-tailed Emerald (Chlorostilbon mellisugus), Western Emerald (Chlorostilbon melanorhynchus) and Cozumel Emerald (Chlorostilbon forficatus) following SACC (2005).
Considered by some authors to be a subspecies of Blue-tailed Emerald (Chlorostilbon mellisugus).
The following 2 subspecies are recognised:
melanorhynchus Gould, 1860 - Western Colombia and western, central Ecuador. Considered by some authors to be a subspecies of Blue-tailed Emerald (Chlorostilbon mellisugus).
pumilus Gould, 1872 - Arid and semi-arid tropical and subtropical zones of western Colombia and western Ecuador. Considered by some authors to be a subspecies of Blue-tailed Emerald (Chlorostilbon mellisugus).