Ursus

This page is about a genus that contains extinct and extant species; species marked with † are extinct.

## Ursus

Ursus arctos middendorffi. Credit: Pixabay.

## Statistics

### Height

1 meter at the shoulder (for *U. arctos*)

### Diet

Omnivorous or Carnivorous

*Ursus* is a genus of bears that has lived throughout the Northern Hemisphere since the Pliocene.

## Classification

The genus contains four extant species and 35 extant subspecies, as well as 11 extinct species and 6 extinct subspecies of extant species.

## Species

* *Ursus arctos* (Brown Bears)
	+ *Ursus arctos arctos (*Eurasian Brown Bear)
	+ *Ursus arctos collaris* (East Siberian Brown Bear)
	+ *Ursus arctos beringianus (*Kamchatkan Brown Bear)
	+ *Ursus arctos gyas* (Alaska Peninsula Brown Bear)
	+ *Ursus arctos horribilis* (Grizzly Bear)
	+ *Ursus arctos isabellinus* (Himalayan Brown Bear)
	+ *Ursus arctos lasiotus* (Ussuri Brown Bear)
	+ *Ursus arctos middendorffi* (Kodiak Bear)
	+ *Ursus arctos pruinosus* (Tibetan Blue Bear)
	+ *Ursus arctos sitkensis* (Sitka Brown Bear)
	+ *Ursus arctos stikeenensis* (Stikine Brown Bear)
	+ *Ursus arctos syriacus* (Syrian Brown Bear)
	+ †*Ursus arctos californicus* (California Grizzly Bear)
	+ †*Ursus arctos crowtheri* (Atlas Bear)
	+ *Ursus arctos dalli* (Dall Island Bear) (=*U. arctos*?)
	+ †*Ursus arctos nelsoni* (Mexican Grizzly Bear)
	+ †*Ursus arctos priscus* (Steppe Brown Bear)
	+ †*Ursus arctos ungavesis* (Ungava Brown Bear)
* *Ursus americanus* (American Black Bears)
	+ *Ursus americanus altifrontalis* (Olympic Black Bear)
	+ *Ursus americanus amblyceps* (New Mexico Black Bear)
	+ *Ursus americanus americanus* (Eastern Black Bear)
	+ *Ursus americanus californiensis* (California Black Bear)
	+ *Ursus americanus carlottae* (Haida Gwaii Black Bear or Queen Charlotte Islands Black Bear)
	+ *Ursus americanus cinnamonum* (Cinnamon Bear)
	+ *Ursus americanus emmonsii* (Glacier Bear)
	+ *Ursus americanus eremicus* (East Mexican Black Bear)
	+ *Ursus americanus floridanus* (Florida Black Bear)
	+ *Ursus americanus hamiltoni* (Newfoundland Black Bear)
	+ *Ursus americanus kermodei* (Kermode Bear or Spirit Bear)
	+ *Ursus americanus lutelous* (Louisiana Black Bear)
	+ *Ursus americanus machetes* (West Mexican Black Bear)
	+ *Ursus americanus perniger* (Kenai Black Bear)
	+ *Ursus americanus pugnax* (Dall Island Black Bear)
	+ *Ursus americanus vancouveri* (Vancouver Island Black Bear)
* *Ursus maritimus* (Polar Bears)
	+ *Ursus maritimus maritimus* (Modern Polar Bear)
	+ †*Ursus maritimus tyrannus*?
* *Ursus thibetanus* (Asian Black Bears)
	+ *Ursus thibeatanus formosanus* (Formosan Black Bear)
	+ *Ursus thibetanus gedrosianus* (Balochistan Black Bear or Pakistan Black Bear)
	+ *Ursus thibetanus japonicus* (Japanese Black Bear)
	+ *Ursus thibetanus laniger* (Himalayan Black Bear)
	+ *Ursus thibetanus mupinensis* (Indochinese Black Bear)
	+ *Ursus thibetanus thibetanus* (Tibetan Black Bear)
	+ *Ursus thibetanus ussuricus* (Ussuri Black Bear)
* †*Ursus abstrusus*
* †*Ursus arvernensis*
* †*Ursus deningeri* (Deninger's bear)
* †*Ursus etruscus* (Etruscan Bear)
* †*Ursus ingressus* (Gamssulzen Cave Bear)
* †*Ursus dolinensis* (Gran Dolina Bear)
* †*Ursus rossicus* (Small Cave Bear)
* †*Ursus sackdillingensis*
* †*Ursus savini*
* †*Ursus spelaeus* (Cave Bear)
* †*Ursus minimus* (Auvergne Bear)

## References

1. ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 1.20 1.21 1.22 1.23 1.24 1.25 1.26 1.27 1.28 1.29 1.30 1.31 1.32 1.33 1.34 1.35 1.36 1.37 1.38 1.39 1.40 1.41 1.42 1.43 1.44 1.45 1.46 1.47 1.48 1.49 1.50 1.51 1.52 1.53 1.54 1.55 https://en.wikipedia.org/wiki/Ursus\_(mammal)
2. ↑ 2.0 2.1 Steppe brown bear
3. ↑ https://web.archive.org/web/20131224202903/http://www.departments.bucknell.edu/biology/resources/msw3/browse.asp?id=14000952
4. ↑ https://en.wikipedia.org/wiki/Steppe\_brown\_bear)
5. ↑ https://en.wikipedia.org/wiki/Subspecies\_of\_brown\_bear
6. ↑ https://en.wikipedia.org/wiki/Ursus\_maritimus\_tyrannus
7. ↑ https://en.wikipedia.org/wiki/Ursus\_deningeri