Белокрила рибарка (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Белокрила рибарка" in Bulgarian language version.

refsWebsite

Global rank Bulgarian rank

1iucnredlist.org

88^th place

4^th place

1,392^nd place

low place

iucnredlist.org

apiv3.iucnredlist.org

Chlidonias leucopterus (Temminck, 1815). // IUCN Red List of Threatened Species. International Union for Conservation of Nature. Посетен на 27 декември 2021 г. (на английски)

jsonline.com

Bergquist, Lee. White-winged tern – last seen in Wisconsin in 1873 – spotted in Manitowoc // 23 May 2016. Посетен на 24 May 2016.