Big Brown Bear

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Ambarlı, H. (2016). "Litter size and basic diet of brown bears ( Ursus arctos, Carnivora) in northeastern Turkey". Mammalia. 80 (2). doi: 10.1515/mammalia-2014-0111. S2CID 87968464.

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Dough O'Hara Polar bears, grizzlies increasingly gather on North Slope. Anchorage Daily News. 24 April 2005

Wozencraft, W. C. (2005). " Ursus arctos". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rded.). Johns Hopkins University Press. pp.588–589. ISBN 978-0-8018-8221-0. OCLC 62265494. Kavčič, I.; Adamič, M.; Kaczensky, P.; Krofel, M.; Kobal, M.; Jerina, K. (2015). "Fast food bears: brown bear diet in a human-dominated landscape with intensive supplemental feeding". Wildlife Biology. 21: 1. doi: 10.2981/wlb.00013. S2CID 83906946. Egbert, Allan L.; Stokes, Allen W.; Egbert, A. L. (16 September 1976). "The Social Behaviour of Brown Bears on an Alaskan Salmon Stream" (PDF). Bears: Their Biology and Management. 3: 41–56. doi: 10.2307/3872753. JSTOR 3872753. Archived from the original (PDF) on 17 July 2015 . Retrieved 29 April 2011. They seem to have no altitudinal preferences and have been recorded from sea level to an elevation of 5,000m (16,000ft) (the latter in the Himalayas). [73] In most of their range, brown bears generally seem to prefer semiopen country, with a scattering of vegetation that can allow them a resting spot during the day. However, they have been recorded as inhabiting every variety of northern temperate forest known to occur. [73] Conservation status A Marsican brown bear, with a range restricted to the Abruzzo, Lazio and Molise National Park, Italy Hissa, R.; Siekkinen, J.; Hohtola, E.; Saarela, S.; Hakala, A.; Pudas, J. (1994). "Seasonal patterns in the physiology of the European brown bear ( Ursus arctos arctos) in Finland". Comparative Biochemistry and Physiology Part A: Physiology. 109 (#3): 781–791. doi: 10.1016/0300-9629(94)90222-4. PMID 8529017.

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a b White, D.J.; Berardinelli, J.G.; Aune, K.E. (1998). "Reproductive characteristics of the male grizzly bear in the continental United States". Ursus. 10: 497–501. JSTOR 3873161.DNA analysis shows that, apart from recent human-caused population fragmentation, [41] brown bears in North America are generally part of a single interconnected population system, with the exception of the population (or subspecies) in the Kodiak Archipelago, which has probably been isolated since the end of the last Ice Age. [42] [43] These data demonstrate that U. a. gyas, U. a. horribilis, U. a. sitkensis and U. a. stikeenensis are not distinct or cohesive groups, and would more accurately be described as ecotypes. For example, brown bears in any particular region of the Alaska coast are more closely related to adjacent grizzly bears than to distant populations of brown bears, [44] the morphological distinction seemingly driven by brown bears having access to a rich salmon food source, while grizzly bears live at higher elevation, or further from the coast, where plant material is the base of the diet. The history of the bears of the Alexander Archipelago is unusual in that these island populations carry polar bear DNA, presumably originating from a population of polar bears that was left behind at the end of the Pleistocene, but have since been connected with adjacent mainland populations through movement of males, to the point where their nuclear genomes are now more than 90% of brown bear ancestry. [45] Brown, Susan, A (17 January 2010). "Inherited behavior traits of the domesticated ferret". weaselwords.com . Retrieved 29 January 2010. {{ cite web}}: CS1 maint: multiple names: authors list ( link)

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Halloran, D. W.; Pearson, A. M. (1972). "Blood chemistry of the brown bear ( Ursus arctos) from southwestern Yukon Territory, Canada". Canadian Journal of Zoology. 50 (#6): 827–833. doi: 10.1139/z72-112. PMID 5038730. Heptner V.G.; Sludskii, A.A. (1992). Mammals of the Soviet Union, Volume II, Part 2. Leiden u.a.: Brill. ISBN 978-90-04-08876-4.Drag the correct type of word into box to scopre a point. The words are randomly selected from a list of 90 words. a b c d e f g h i j k l m n o p q r s t "Mammalian Species- Ursus arctos" (PDF). American Society of Mammalogists, Smith College. 23 April 1993. Archived from the original (PDF) on 31 March 2017. Robbins, C. T.; Schwartz, C. C.; Felicetti, L. A. (2004). "Nutritional ecology of ursids: A review of newer methods and management implications" (PDF). Ursus. 15 (2): 161–171. doi: 10.2192/1537-6176(2004)015<0161:NEOUAR>2.0.CO;2. S2CID 54680694. Archived (PDF) from the original on 9 October 2022. Look for the shoulder hump, a set of strong muscles that allow the brown bear to dig up roots and tear apart logs to find food. None of the other seven bear species have it. 9. How are brown bear cubs born during hibernation?