Tadorna ferruginea (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Tadorna ferruginea" in Italian language version.

refsWebsite

Global rank Italian rank

6^th place

8^th place

1iucnredlist.org

88^th place

77^th place

1worldbirdnames.org

1,007^th place

182^nd place

1books.google.com

3^rd place

14^th place

1oiseaux-birds.com

low place

low place

archive.org

James A. Jobling, The Helm Dictionary of Scientific Bird Names, Londra, Christopher Helm, 2010, p. 377, ISBN 978-1-4081-2501-4.
James A. Jobling, The Helm Dictionary of Scientific Bird Names, Londra, Christopher Helm, 2010, p. 159, ISBN 978-1-4081-2501-4.

books.google.com

Janet Kear, Ducks, Geese and Swans: General chapters, species accounts (Anhima to Salvadorina), Oxford University Press, 2005, pp. 420-430, ISBN 978-0-19-861008-3.

iucnredlist.org

apiv3.iucnredlist.org

(EN) BirdLife International 2016, Tadorna ferruginea, su IUCN Red List of Threatened Species, Versione 2020.2, IUCN, 2020.

oiseaux-birds.com

Nicole Bouglouan, Ruddy Shelduck: Tadorna ferruginea, su oiseaux-birds.com. URL consultato il 21 ottobre 2015.

worldbirdnames.org

(EN) F. Gill e D. Donsker (a cura di), Family Anatidae, in IOC World Bird Names (ver 9.2), International Ornithologists’ Union, 2019. URL consultato l'11 maggio 2014.