- Knipolegus nigerrimus
17·5–18 cm (6¾-7)
- Glossy bluish-black head
- Short busy crest
- White base of primaries visible in flight
Cloud forest. Usually seen near trees or shrubs in grassy or rocky areas at heights around 1800–2700 m.
Their main diet consists of insects.
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2016. The eBird/Clements checklist of birds of the world: v2016, with updates to August 2016. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Handbook of the Birds of the World Alive (retrieved February 2016)
- BirdForum Opus contributors. (2022) Velvety Black Tyrant. In: BirdForum, the forum for wild birds and birding. Retrieved 21 January 2022 from https://www.birdforum.net/opus/Velvety_Black_Tyrant