Range map of Jelski's Black-Tyrant (Knipolegus signatus)
Adpated from : 

Jelski's Black-Tyrant, Andrew Farnsworth, Gary Langham, and Guy M. Kirwan. Birds of The World, The Cornell Lab of Ornithology. https://birdsoftheworld.org
BirdLife International. 2016. Knipolegus signatus. The IUCN Red List of Threatened Species 2016: e.T103683026A93765184. https://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T103683026A93765184.en. Downloaded on 05 July 2021.
Cephas