SCIENTIFIC NAME: Eriocnemis nigrivestis
The Black-Breasted Puffleg is a species of bird in the Trochilidae family.
It measures about 3.15 – 3.54 inches in length and weighs about 4 – 4.5 grams.
Males are dark bluish-green with white leg puffs and a blue vent.
Females are brighter green with a golden tinge and have a blue throat patch and vent.
Feeds mainly on the nectar of various plants, namely of Palicourea huigrensis, but also take some small insects and spiders.
Humid and wet cloud forest, montane forest, elfin forest and forest borders at 1,700-3,500 m.
Found only in Ecuador, on the Northwestern slopes of the Pichincha volcano and in the Cordillera de Toisán above the Intág valley, both located north of Quito.
The female lays a clutch of 2 eggs, which she incubates alone, but there is no available information regarding the incubation and fledging periods.