Common shelduck (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Common shelduck" in English language version.

refsWebsite

Global rank English rank

4biodiversitylibrary.org

387^th place

373^rd place

6^th place

6^th place

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

1books.google.com

3^rd place

3^rd place

1worldbirdnames.org

1,007^th place

1,255^th place

1web.archive.org

1^st place

1^st place

low place

low place

archive.org

Jobling, James A (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. p. 377. ISBN 978-1-4081-2501-4.
Belon, Pierre (1555). L'histoire de la natvre des oyseavx : avec levrs descriptions, & naïfs portraicts retirez du natvrel, escrite en sept livres (in French). Paris: Gilles Corrozet. pp. 172–173.
Boie, Friedrich (1822). Tagebuch gehalten auf einer Reise durch Norwegen im Jahre 1817 (in German). Schleswig: Königl Taubstummen - Institut. pp. 140, 351.

biodiversitylibrary.org

Linnaeus, Carl (1758). Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis (in Latin). Vol. 1 (10th ed.). Holmiae (Stockholm): Laurentii Salvii. p. 122.
Albin, Eleazar; Derham, William (1731). A Natural History of Birds : Illustrated with a Hundred and One Copper Plates, Curiously Engraven from the Life. Vol. 1. London: Printed for the author and sold by William Innys. p. 90, Plate 94.
Mayr, Ernst; Cottrell, G. William, eds. (1979). Check-List of Birds of the World. Vol. 1 (2nd ed.). Cambridge, Massachusetts: Museum of Comparative Zoology. p. 451.
Linnaeus, Carl (1761). Fauna svecica : sistens animalia sveciae regni: mammalia, aves, amphibia, pisces, insecta, vermes, distributa per classes & ordines, genera & species, cum differentiis specierum, synonymis auctorum, nominibus incolarum, locis natalium, descriptionibus insectorum (in Latin) (2nd ed.). Stockholmiae: Sumtu & Literis Direct. Laurentii Salvii. p. 40.

books.google.com

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

doi.org

BirdLife International (2019). "Tadorna tadorna". IUCN Red List of Threatened Species. 2019: e.T22680024A154560262. doi:10.2305/IUCN.UK.2019-3.RLTS.T22680024A154560262.en. Retrieved 12 November 2021.

iucnredlist.org

BirdLife International (2019). "Tadorna tadorna". IUCN Red List of Threatened Species. 2019: e.T22680024A154560262. doi:10.2305/IUCN.UK.2019-3.RLTS.T22680024A154560262.en. Retrieved 12 November 2021.

narba.org

"NARBA North American Rare Bird Alert". Archived from the original on January 18, 2011. Retrieved January 17, 2011.

web.archive.org

"NARBA North American Rare Bird Alert". Archived from the original on January 18, 2011. Retrieved January 17, 2011.

worldbirdnames.org

Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (January 2021). "Screamers, ducks, geese & swans". IOC World Bird List Version 11.1. International Ornithologists' Union. Retrieved 11 June 2021.