White-tailed emerald

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White-tailed emerald
Scientific classification e
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.[2]


  1. ^ BirdLife International (2012). "Elvira chionura". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013. 
  2. ^ Wood, The Guinness Book of Animal Facts and Feats. Sterling Pub Co Inc. (1983), ISBN 978-0-85112-235-9