The emerald-bellied puffleg (Eriocnemis aline ) is a species of hummingbird in the "brilliants", tribe Heliantheini in subfamily Lesbiinae. It is found in Colombia, Ecuador, and Peru.
In zoology, a nectarivore is an animal that derives its energy and nutrient requirements from a diet consisting mainly or exclusively of the sugar-...
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
Oviparous animals are female animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive...
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Not a migrantAnimals that do not make seasonal movements and stay in their native home ranges all year round are called not migrants or residents.
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starts withThe emerald-bellied puffleg is the smallest puffleg. It is 8 to 9 cm (3.1 to 3.5 in) long and weighs 4.0 to 4.5 g (0.14 to 0.16 oz). It has a straight black bill. The male of the nominate subspecies has dark shining green upperparts with a narrow glittering bluish green forehead. It has a large white patch with green spots on its upper breast and the rest of the underparts are glittering bluish green. The tail is short and slightly forked; it is green with a markedly iridescent underside. The female is similar but without the bluish green forehead; its wings and tail are somewhat shorter. Both sex's leg puffs are white and very large. Subspecies E. a. dybowskii is larger than the nominate but the male's forehead patch is smaller and the white breast is less sharply defined.
The nominate subspecies of emerald-bellied puffleg is the more northerly. It is found in Colombia's Central and Eastern Andes from Boyacá Department south through Ecuador on the eastern slope of the Andes. E. a. dybowskii is found on the eastern slope of the Peruvian Andes as far south as the Department of Pasco. The species inhabits tropical and subtropical montane forest, especially humid types like cloudforest. It occurs in the forest interior and small openings but shuns forest edges and more open landscapes. In elevation it is usually found between 2,300 and 2,800 m (7,500 and 9,200 ft).
The emerald-bellied puffleg is sedentary.
The emerald-bellied puffleg forages for nectar in dense vegetation; it usually feeds between about 1 and 3 m (3 and 10 ft) of the ground. It also feeds on small insects.
Nothing is known about the emerald-bellied puffleg's breeding phenology.
The IUCN has assessed the emerald-bellied puffleg as being of Least Concern. It has a fairly large range but its population size is not known and is believed to be decreasing. It "seems to depend on humid forests which have already suffered heavy damage, and are currently under threat of further deforestation."
