Sula sula (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sula sula" in Italian language version.

refsWebsite

Global rank Italian rank

1iucnredlist.org

88^th place

77^th place

1worldbirdnames.org

1,007^th place

182^nd place

3,128^th place

780^th place

hbw.com

(EN) Red-footed Booby (Sula sula), su hbw.com. URL consultato il 24 agosto 2019.

iucnredlist.org

apiv3.iucnredlist.org

(EN) BirdLife International 2018, Sula sula, su IUCN Red List of Threatened Species, Versione 2020.2, IUCN, 2020.

worldbirdnames.org

(EN) F. Gill e D. Donsker (a cura di), Family Sulidae, in IOC World Bird Names (ver 9.2), International Ornithologists’ Union, 2019. URL consultato il 24 agosto 2019.