Goldenthroat
The goldenthroats are a small group of hummingbirds in the genus Polytmus.
The genus Polytmus was introduced by the French zoologist Mathurin Jacques Brisson in 1760 with the type species as Polytmus guainumbi thaumantias, a subspecies of the white-tailed goldenthroat. The name of the genus is from the Ancient Greek πολυτιμος polutimos "very costly", "valuable".
The genus contains three species:
| Image | Scientific name | Common Name | Distribution |
| Polytmus guainumbi | White-tailed goldenthroat | Argentina, Bolivia, Brazil, Colombia, French Guiana, Guyana, Paraguay, Peru, Suriname, Trinidad and Tobago, and Venezuela | |
| Polytmus milleri | Tepui goldenthroat | Brazil, Guyana, and Venezuela | - |
| Polytmus theresiae | Green-tailed goldenthroat | Brazil, Colombia, French Guiana, Guyana, Peru, Suriname, and Venezuela, and possibly Ecuador |