Plain swift (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Plain swift" in English language version.

refsWebsite

Global rank English rank

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

1magornitho.org

low place

low place

1africanbirdclub.org

low place

low place

africanbirdclub.org

Norton, T., Atkinson, P., Hewson, C. & Eduardo Garcia-del-Rey, E. 2018. Geolocator study reveals that Canarian Plain Swifts Apus unicolor winter in equatorial West Africa. African Bird Club & Sociedad Ornitologica Canaria. 15 pp

doi.org

BirdLife International (2017). "Apus unicolor". IUCN Red List of Threatened Species. 2017: e.T22686806A119263428. doi:10.2305/IUCN.UK.2017-3.RLTS.T22686806A119263428.en. Retrieved 11 November 2021.

iucnredlist.org

BirdLife International (2017). "Apus unicolor". IUCN Red List of Threatened Species. 2017: e.T22686806A119263428. doi:10.2305/IUCN.UK.2017-3.RLTS.T22686806A119263428.en. Retrieved 11 November 2021.

magornitho.org

Norton, T., Atkinson, P., Hewson, C. & Eduardo Garcia-del-Rey, E. 2018. Geolocator study reveals that Canarian Plain Swifts Apus unicolor winter in equatorial West Africa. African Bird Club & Sociedad Ornitologica Canaria. 15 pp