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Ursus maritimus (Italian Wikipedia)

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

refsWebsite
Global rank Italian rank
4web.archive.org
1st place
1st place
2archive.org
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2fws.gov
2,434th place
9,613th place
1iucnredlist.org
88th place
77th place
1bucknell.edu
733rd place
299th place
1wwf.it
low place
2,479th place
1britannica.com
40th place
85th place
1naturedefence.it
low place
low place
1polarbearsinternational.org
low place
low place
1panda.org
3,515th place
4,733rd place

archive.org

britannica.com

bucknell.edu

departments.bucknell.edu

  • (EN) D.E. Wilson e D.M. Reeder, Ursus maritimus, in Mammal Species of the World. A Taxonomic and Geographic Reference, 3ª ed., Johns Hopkins University Press, 2005, ISBN 0-8018-8221-4.

fws.gov

fws.gov

  • Polar bear, (Ursus maritimus) (PDF), su fws.gov, United States Fish and Wildlife service. URL consultato il 9 settembre 2009.
    «Appearance. The polar bear is the largest member of the bear family, with the exception of Alaska's Kodiak brown bears, which equal polar bears in size.»
     (Overview page)

ecos.fws.gov

  • Polar bear, (Ursus maritimus) (PDF), su fws.gov, United States Fish and Wildlife service. URL consultato il 9 settembre 2009.
    «Appearance. The polar bear is the largest member of the bear family, with the exception of Alaska's Kodiak brown bears, which equal polar bears in size.»
     (Overview page)

iucnredlist.org

apiv3.iucnredlist.org

naturedefence.it

panda.org

wwf.panda.org

polarbearsinternational.org

web.archive.org

wwf.it