- Metallura baroni
- Dark olive-green upperparts
- Purple-violet throat
- Sky-blue tail with yellowish-green underside
- Straight black bill
- Whitish-grey underparts
- Incomplete throat patch
- Dense olive-green spots
- Whitish tips to underside of outer tail feathers
Páramo vegetation with some scattered patches of elfin forest. Observed at heights around 3,970 m.
Their main diet consists of nectar taken in hover-flight.
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2014. The eBird/Clements checklist of birds of the world: Version 6.9., with updates to August 2014. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- BirdLife International
- BirdForum Opus contributors. (2023) Violet-throated Metaltail. In: BirdForum, the forum for wild birds and birding. Retrieved 30 November 2023 from https://www.birdforum.net/opus/Violet-throated_Metaltail