Violet crow (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Violet crow" in English language version.

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BirdLife International (2017). "Corvus violaceus". IUCN Red List of Threatened Species. 2017: e.T103727509A112292912. doi:10.2305/IUCN.UK.2017-1.RLTS.T103727509A112292912.en. Retrieved 18 November 2021.
Jønsson, Knud A.; Fabre, Pierre-Henri; Irestedt, Martin (2012). "Brains, tools, innovation and biogeography in crows and ravens". BMC Evolutionary Biology. 12: 72. Bibcode:2012BMCEE..12...72J. doi:10.1186/1471-2148-12-72. PMC 3480872. PMID 22642364.
del Hoyo, J.; Collar, N.; Christie, D.A. (2020). "Violet Crow (Corvus violaceus), version 1.0". In del Hoyo, J.; Elliott, A.; Sargatal, J.; Christie, D.A.; de Juana, E. (eds.). Birds of the World. Ithaca, NY, USA: Cornell Lab of Ornithology. Retrieved 30 August 2024.