RETIRED
 - White-winged Black-Tyrant
 - White-winged Black-Tyrant
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 - White-winged Black-Tyrant
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White-winged Black-Tyrant Knipolegus aterrimus Scientific name definitions

Andrew Farnsworth, Josep del Hoyo, Nigel Collar, Gary Langham, and Guy M. Kirwan
Version: 1.0 — Published March 4, 2020
Text last updated April 2, 2017

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Recommended Citation

Farnsworth, A., J. del Hoyo, N. Collar, G. Langham, and G. M. Kirwan (2020). White-winged Black-Tyrant (Knipolegus aterrimus), version 1.0. In Birds of the World (S. M. Billerman, B. K. Keeney, P. G. Rodewald, and T. S. Schulenberg, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.whwblt1.01
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