Comoros blue vanga (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Comoros blue vanga" in English language version.

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1,007^th place

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6,471^st place

7,708^th place

2^nd place

birdsoftheworld.org

Kirwan, Guy M.; Yamagishi, Satoshi; del Hoyo, Josep; Collar, Nigel; Nakamura, Masahiko (2020-03-04), Billerman, Shawn M.; Keeney, Brooke K.; Rodewald, Paul G.; Schulenberg, Thomas S. (eds.), "Blue Vanga (Cyanolanius madagascarinus)", Birds of the World, Cornell Lab of Ornithology, doi:10.2173/bow.bluvan1.01, retrieved 2021-09-20

Kirwan, Guy M.; Yamagishi, Satoshi; del Hoyo, Josep; Collar, Nigel; Nakamura, Masahiko (2020-03-04), Billerman, Shawn M.; Keeney, Brooke K.; Rodewald, Paul G.; Schulenberg, Thomas S. (eds.), "Blue Vanga (Cyanolanius madagascarinus)", Birds of the World, Cornell Lab of Ornithology, doi:10.2173/bow.bluvan1.01, retrieved 2021-09-20

BirdLife International (2016). "Cyanolanius comorensis". IUCN Red List of Threatened Species. 2016: e.T103703653A104074965. Retrieved 15 November 2021.
International), BirdLife International (BirdLife (2016-10-01). "IUCN Red List of Threatened Species: Cyanolanius comorensis". IUCN Red List of Threatened Species. Retrieved 2020-07-07.

Gill, Frank; Donsker, David, eds. (2018). "Batises, woodshrikes, bushshrikes, vangas". World Bird List Version 8.1. International Ornithologists' Union. Retrieved 21 June 2018.