African palm swift (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "African palm swift" 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

Mark Beaman; Steve Madge (1998). The Handbook of Bird Identification: For Europe and the Western Palearctic. Christopher Helm. p. 523. ISBN 978-0-7136-3960-5.

doi.org

BirdLife International (2019). "Cypsiurus parvus". IUCN Red List of Threatened Species. 2019: e.T155257123A155636301. doi:10.2305/IUCN.UK.2019-3.RLTS.T155257123A155636301.en. Retrieved 12 November 2021.

iucnredlist.org

BirdLife International (2019). "Cypsiurus parvus". IUCN Red List of Threatened Species. 2019: e.T155257123A155636301. doi:10.2305/IUCN.UK.2019-3.RLTS.T155257123A155636301.en. Retrieved 12 November 2021.