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The emerald-bellied puffleg is a species of hummingbird in the "brilliants", tribe Heliantheini in the subfamily Lesbiinae. It is found in Colombia, Ecuador, and Peru.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
ID tip
The 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. Voice: The emerald-bellied puffleg makes "a single, slightly buzzy, metallic note, 'tzit'" call at irregular intervals while hovering.
Text from Wikipedia, licensed CC BY-SA 4.0.
Where it lives
When to see it
Peak activity in November · a resident species across most of its range
Easily confused with
Coppery-bellied PufflegEriocnemis cupreoventrisThe coppery-bellied puffleg is 9 to 10 cm (3.5 to 3.9 in) long and weighs 4.4 to 5.6 g (0.16 to 0.20 oz).
Blue-capped PufflegEriocnemis glaucopoidesThe blue-capped puffleg is 9 to 13 cm (3.5 to 5.1 in) long and weighs 4.0 to 4.5 g (0.14 to 0.16 oz).
Black-thighed PufflegEriocnemis derbyiThe black-thighed puffleg is about 10 cm (3.9 in) long.
Learn the Emerald-bellied Puffleg for real
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