SCIENTIFIC NAME: Polytmus theresiae
The Green-Tailed Goldenthroat is a species of hummingbird in the family Trochilidae.
It is similar to Glittering- Throated Emerald but lacks any white below and shows less contrast between face and throat.
It is a medium-sized hummingbird, about 4 inches long.
Males are all green with the eyes framed by a short white stripe above and below.
Females are a dull version of the males with gray-greenish underparts with the eye framed by a longer and better-defined white stripe above and below.
Both sexes have a solid green tail with white edges in the female. Bill is gently decurved, dark with a pale mandible.
Frequently produced song is an excited, accelerating series of notes.
It is a trap-line feeder on nectar but also hawks for insects.
Lowland forests and forest edges, fresh water habitats and sandy savanna with bushes. Found at heights between 100 to 300 m.
Brazil, Colombia, French Guiana, Guyana, Peru, Suriname, and Venezuela, and possibly Ecuador.