Birds
File:Chlorostilbon mellisugus.jpg

Blue-tailed Emerald

Blue-tailed Emerald

100
1 day ago
Spotted
The Glittering-bellied Emerald (*Chlorostilbon mellisugus*) is a stunning small hummingbird, aptly named for the iridescent golden-green sheen on its underside, particularly visible in males. It is a widespread and often abundant species.
Where to spot
Widely distributed across South America, primarily east of the Andes, from northern Colombia and Venezuela south to Argentina and Uruguay. Found in a variety of open and semi-open habitats, including gardens, parks, agricultural areas, and forest edges.
How to spot
Look for a small, metallic green hummingbird. Males have a distinct iridescent golden-green lower belly and a deeply forked tail. Females are duller, with a pale belly and a shorter, less forked tail. Listen for its high-pitched, sharp calls and observe its rapid, agile flight.
When to spot
Active year-round in its resident range. Most visible during morning and late afternoon when foraging for nectar, often at various flowering plants or feeders.
File:Chlorostilbon mellisugus.jpg
File:Chlorostilbon mellisugus female.jpg
File:Chlorostilbon mellisugus phoeopygus - Blue-tailes Emerald; Rio Branco, Acre, Brazil.jpg
File:Chlorostilbon mellisugus.jpg
Credits: Wikimedia Commons
File:Chlorostilbon mellisugus female.jpg
Credits: Wikimedia Commons
File:Chlorostilbon mellisugus phoeopygus - Blue-tailes Emerald; Rio Branco, Acre, Brazil.jpg
Credits: Wikimedia Commons
The 'glittering belly' of the male is not always visible but flashes brilliantly in good light, a key identifying feature and a marvel of natural iridescence that results from microscopic feather structures.
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