Tadorna (Italian Wikipedia)

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

refsWebsite

Global rank Italian rank

1books.google.com

3^rd place

14^th place

1worldbirdnames.org

1,007^th place

182^nd place

books.google.com

Janet Kear, Ducks, Geese, and Swans, Oxford University Press, 2005, p. 420, ISBN =0 19 861008 4.

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 il 5 maggio 2014.