Velvety black tyrant (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Velvety black tyrant" in English language version.

refsWebsite

Global rank English rank

2^nd place

2^nd place

2biodiversitylibrary.org

387^th place

373^rd place

1iucnredlist.org

88^th place

160^th place

1worldbirdnames.org

1,007^th place

1,255^th place

2,179^th place

1,991^st place

332^nd place

246^th place

1xeno-canto.org

low place

low place

1macaulaylibrary.org

low place

low place

biodiversitylibrary.org

Nouveau dictionnaire d’histoire naturelle, appliquée aux arts, à l’agriculture, à l’économie rurale et domestique, à la médecine, etc (in French). Vol. XXI. Chez Deterville. 1818. p. 453.
Boie, Friedrich (1826). "Generalübersicht der ornithologischen Ordnungen, Familien und Gattungen". Isis von Oken (in German). 19. Cols 969–981 [973 Fn. 2].

birdlife.org

datazone.birdlife.org

HBW and BirdLife International (2024). Handbook of the Birds of the World and BirdLife International digital checklist of the birds of the world. Version 9. Available at: https://datazone.birdlife.org/about-our-science/taxonomy retrieved December 23, 2024

cornell.edu

birds.cornell.edu

Clements, J. F., P.C. Rasmussen, T. S. Schulenberg, M. J. Iliff, T. A. Fredericks, J. A. Gerbracht, D. Lepage, A. Spencer, S. M. Billerman, B. L. Sullivan, M. Smith, and C. L. Wood. 2024. The eBird/Clements checklist of birds of the world: v2024. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/ retrieved October 23, 2024

doi.org

BirdLife International (2024). "Velvety Black-tyrant Knipolegus nigerrimus". IUCN Red List of Threatened Species. 2024: e.T22700256A263771546. doi:10.2305/IUCN.UK.2024-2.RLTS.T22700256A263771546.en. Retrieved 8 May 2025.
Farnsworth, A., G. Langham, and P. F. D. Boesman (2020). Velvety Black-Tyrant (Knipolegus nigerrimus), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.vebtyr1.01 retrieved May 8, 2025

iucnredlist.org

BirdLife International (2024). "Velvety Black-tyrant Knipolegus nigerrimus". IUCN Red List of Threatened Species. 2024: e.T22700256A263771546. doi:10.2305/IUCN.UK.2024-2.RLTS.T22700256A263771546.en. Retrieved 8 May 2025.

macaulaylibrary.org

search.macaulaylibrary.org

"Velvety Black-Tyrant Knipolegus nigerrimus". Birds of the World. Cornell Lab of Ornithology. 2025. Retrieved May 8, 2025.

worldbirdnames.org

Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (March 2025). "Tyrant flycatchers". IOC World Bird List. v 15.1. Retrieved 3 March 2025.

xeno-canto.org

"Velvety Black Tyrant Knipolegus nigerrimus". xeno-canto. 2025. Retrieved May 8, 2025.