Ursus (genus)

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Temporal range: PlioceneHolocene, 5.333–0 Ma
TE-Collage Ursus.png
From top to bottom: brown bear, American black bear, polar bear, Asian black bear.
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Family: Ursidae
Subfamily: Ursinae
Tribe: Ursini
Genus: Ursus
Linnaeus, 1758[1][2]
Ursus arctos
Ursus americanus
Ursus maritimus
Ursus thibetanus
Ursus spelaeus

Ursus is a genus in the family Ursidae (bears) that includes the widely distributed brown bears,[3] the polar bear,[4] black bears and "Ursus thibetanus" the Asiatic black bear. The name is derived from the Latin ursus, meaning bear.[5][6]

Species and subspecies of Ursus

Common Name & Scientific name Image Subspecies Distribution
American black bear
Ursus americanus
Canadian Rockies - the bear at Lake Louise.jpg American black bear range
Brown bear
Ursus arctos
Medved h.jpg Brown bear range
Polar bear
Ursus maritimus (earlier Thalarctos maritimus)
Polar1.jpg Polar bear range
Asian black bear
Ursus thibetanus
Asian Black Bear Ursus thibetanus by Dr. Raju Kasambe 01.jpg Asian black bear range

A hybrid between grizzly bears and polar bears has also been recorded. Known commonly as a pizzly, prizzly, or grolar bear, the official name is simply "grizzly–polar bear hybrid".



  1. ^ http://animaldiversity.ummz.umich.edu/accounts/Ursus/classification/
  2. ^ https://web.archive.org/web/20131224202903/http://www.departments.bucknell.edu/biology/resources/msw3/browse.asp?id=14000952
  3. ^ http://library.sandiegozoo.org/factsheets/brown_bear/brown_bear.html
  4. ^ http://library.sandiegozoo.org/factsheets/polar_bear/polar.htm
  5. ^ http://www.merriam-webster.com/dictionary/ursus
  6. ^ http://dictionary.reference.com/browse/ursus
  7. ^ "Mexican black bear – Bear Conservation". www.bearconservation.org.uk. Retrieved 2018-01-29. 
  8. ^ "West Mexico black bear – Bear Conservation". Retrieved 2018-01-29. 
  9. ^ Seton, Ernest Thompson (2015-07-30). Wahb: The Biography of a Grizzly. University of Oklahoma Press. ISBN 9780806152325. 

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