灰头渔雕 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "灰头渔雕" in Chinese language version.

refsWebsite

Global rank Chinese rank

1iucnredlist.org

88^th place

102^nd place

6^th place

4^th place

archive.org

Robson, C. A Field Guide to the Birds of South-East Asia. UK: New Holland Publishers. 2000.

iucnredlist.org

BirdLife International. Ichthyophaga ichthyaetus. The IUCN Red List of Threatened Species. 2016: e.T22695163A116996769 [amended version of 2017 assessment] [4 February 2022].