Hitherto considered conspecific with U. bougueri, but split suggested by some recent authors#R and upheld on account of little or no vs broadly developed dull rufous gape (3); glittering dark green vs dusky-bronze crown to back (3); bronzy-green vs blue-black central uppertail (2); male breast patch more violet, less deep turquoise-blue (ns); more white in tail generally, including on outermost rectrix (ns). Monotypic.
E slope of Andes in S Colombia (Nariño; sight record from Caquetá), E Ecuador and NE Peru (N San Martín).
Food and feeding
Status and conservation
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