Southern double-collared sunbird (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Southern double-collared sunbird" in English language version.

refsWebsite

Global rank English rank

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

low place

low place

adu.org.za

sabap2.adu.org.za

Harrison, J. A., ed. (1997). The Atlas of Southern African birds: Vol.2 Passerines (PDF). Johannesburg: BirdLife South Africa. pp. 500–501. ISBN 0-620-20730-2. Retrieved 8 April 2019.

doi.org

BirdLife International (2018). "Cinnyris chalybeus". IUCN Red List of Threatened Species. 2018: e.T22717869A131979925. doi:10.2305/IUCN.UK.2018-2.RLTS.T22717869A131979925.en. Retrieved 20 November 2021.

iucnredlist.org

BirdLife International (2018). "Cinnyris chalybeus". IUCN Red List of Threatened Species. 2018: e.T22717869A131979925. doi:10.2305/IUCN.UK.2018-2.RLTS.T22717869A131979925.en. Retrieved 20 November 2021.