Blue swallow (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Blue swallow" in English language version.

refsWebsite

Global rank English rank

2,179^th place

1,991^st place

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

birdlife.org

BirdLife Species Factsheet
Blue Swallow, Hirundo atrocaerulea BirdLife International (May, 2005). Retrieved 2011-08-24.

doi.org

BirdLife International (2019). "Hirundo atrocaerulea". IUCN Red List of Threatened Species. 2019: e.T22712318A155549636. doi:10.2305/IUCN.UK.2019-3.RLTS.T22712318A155549636.en. Retrieved 12 November 2021.

iucnredlist.org

BirdLife International (2019). "Hirundo atrocaerulea". IUCN Red List of Threatened Species. 2019: e.T22712318A155549636. doi:10.2305/IUCN.UK.2019-3.RLTS.T22712318A155549636.en. Retrieved 12 November 2021.