Grey-headed imperial pigeon (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Grey-headed imperial pigeon" in English language version.

refsWebsite

Global rank English rank

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

1books.google.com

3^rd place

3^rd place

books.google.com

Gibbs, David (2010). Pigeons and Doves: A Guide to the Pigeons and Doves of the World. Bloomsbury Publishing. pp. 530–531. ISBN 978-1-4081-3556-3.

doi.org

BirdLife International (2018). "Ducula radiata". IUCN Red List of Threatened Species. 2018: e.T22691629A130179720. doi:10.2305/IUCN.UK.2018-2.RLTS.T22691629A130179720.en. Retrieved 12 November 2021.

iucnredlist.org

BirdLife International (2018). "Ducula radiata". IUCN Red List of Threatened Species. 2018: e.T22691629A130179720. doi:10.2305/IUCN.UK.2018-2.RLTS.T22691629A130179720.en. Retrieved 12 November 2021.