White-tailed emerald | |
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Scientific classification | |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Aves |
Order: | Apodiformes |
Family: | Trochilidae |
Genus: | Elvira |
Species: | E. chionura |
Binomial name | |
Elvira chionura Gould, 1851 |
The white-tailed emerald (Elvira chionura) is a species of hummingbird in the family Trochilidae. It is found in Costa Rica and Panama. Its natural habitat is subtropical or tropical moist montane forests. With a weight under 3 grams, this is one of the smallest birds in existence.