Calypte costae (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Calypte costae" 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) Stiles, F.G. & Boesman, P., Costa's Hummingbird (Calypte costae), su Handbook of the Birds of the World Alive, 2019. URL consultato il 31 maggio 2019.

iucnredlist.org

apiv3.iucnredlist.org

(EN) BirdLife International 2016, Calypte costae, su IUCN Red List of Threatened Species, Versione 2020.2, IUCN, 2020. URL consultato il Jules Bourcier.

worldbirdnames.org

(EN) F. Gill e D. Donsker (a cura di), Family Trochilidae, in IOC World Bird Names (ver 9.2), International Ornithologists’ Union, 2019. URL consultato il 31 maggio 2019.