White-tailed goldenthroat

The white-tailed goldenthroat (Polytmus guainumbi) is a species of hummingbird in the family Trochilidae. It is found in Argentina, Bolivia, Brazil, Colombia, French Guiana, Guyana, Paraguay, Peru, Suriname, Trinidad and Tobago, and Venezuela. Large populations can be noted east of the Andes, from the Amazons to San Juan, and from east Columbia to northern Brazil, just north of the Amazon. Its natural habitats are dry savanna and subtropical or tropical seasonally wet or flooded lowland grassland.

White-tailed goldenthroat
White-tailed goldenthroat at Dourado, São Paulo state, Brazil
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Apodiformes
Family: Trochilidae
Genus: Polytmus
Species:
P. guainumbi
Binomial name
Polytmus guainumbi
Pallas, 1764

The white tailed goldenthroat carries an affinity for water, unlike its smaller counterpart, the Green Tailed goldenthroat for which its often mistaken. Their similar appearances and behvaior, such as trap-lining necter resources and spending a lot of time hawking and gleaming tiny insects, make them easy to mistake for one another.


References
  1. BirdLife International (2012). "Polytmus guainumbi". IUCN Red List of Threatened Species. 2012. Retrieved 26 November 2013.CS1 maint: ref=harv (link)

2. Hilty, S. (2003). Hummingbirds. In Birds of Venezuela (p. 415). Princeton, New Jersey: Princeton University Press.


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