Black-and-white-casqued hornbill (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Black-and-white-casqued hornbill" in English language version.

refsWebsite

Global rank English rank

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

doi.org

BirdLife International (2017). "Bycanistes subcylindricus". IUCN Red List of Threatened Species. 2017: e.T22682577A111897019. doi:10.2305/IUCN.UK.2017-1.RLTS.T22682577A111897019.en. Retrieved 12 November 2021.

iucnredlist.org

BirdLife International (2017). "Bycanistes subcylindricus". IUCN Red List of Threatened Species. 2017: e.T22682577A111897019. doi:10.2305/IUCN.UK.2017-1.RLTS.T22682577A111897019.en. Retrieved 12 November 2021.