Black coucal (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Black coucal" in English language version.

refsWebsite

Global rank English rank

2books.google.com

3^rd place

3^rd place

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

books.google.com

Erritzøe, Johannes; Mann, Clive F.; Brammer, Frederik; Fuller, Richard A. (2012). Cuckoos of the World. Bloomsbury Publishing. p. 44. ISBN 978-1-4081-4267-7.
Payne, Robert B.; Sorensen, Michael D. (2005). The Cuckoos. OUP Oxford. p. 246. ISBN 978-0-19-850213-5.

doi.org

BirdLife International (2016). "Centropus grillii". IUCN Red List of Threatened Species. 2016: e.T22684249A93021184. doi:10.2305/IUCN.UK.2016-3.RLTS.T22684249A93021184.en. Retrieved 12 November 2021.

iucnredlist.org

BirdLife International (2016). "Centropus grillii". IUCN Red List of Threatened Species. 2016: e.T22684249A93021184. doi:10.2305/IUCN.UK.2016-3.RLTS.T22684249A93021184.en. Retrieved 12 November 2021.