Rotfußtölpel (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Rotfußtölpel" in German language version.

refsWebsite

Global rank German rank

2,179^th place

1,000^th place

low place

low place

1birdguides.com

low place

low place

birdguides.com

Red-footed Booby confirmed as breeding in Cape Verde. 7. August 2021, abgerufen am 14. Februar 2023 (englisch).

birdlife.org

datazone.birdlife.org

Factsheet auf BirdLife International

scvz.org

Nuno S. Loureiro, Ermelindo Reis, Denis Dias & Ana Veiga: Is Sula sula breeding in the cliffs of Baía do Inferno, Santiago Island, Cabo Verde? In: Zoologia Caboverdiana. Band 9, Nr. 1, 2021, S. 14–16 (scvz.org [PDF]).