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The brown bear (Ursus arctos) is a large bear native to Eurasia and North America. Of the land carnivorans, it is rivaled in size only by its closest relative, the polar bear, which is much less variable in size and slightly bigger on average. The brown bear is a sexually dimorphic species, as adult males are larger and more compactly built ...
There are approximately 200,000 brown bears left in the world. [2] The largest population is in Russia, with 120,000 individuals. [3] The brown bear occupies the largest range of habitats of any Ursus species with recorded observations in every temperate northern forest and at elevations as high as 5,000 m. [4]
Except for the brown bear (Ursus arctos) and the American black bear (U. americanus), the other six of bear species are threatened according to the IUCN Red List, including: the giant panda (Ailuropoda melanoleuca) the polar bear (U. maritimus) the spectacled bear (Tremarctos ornatus) the Asiatic black bear (U. thibetanus) the sloth bear ...
Bear habitats are generally forests, though some species can be found in grassland and savana regions, and the polar bear lives in arctic and aquatic habitats. Most bears are 1.2–2 m (4–7 ft) long, plus a 3–20 cm (1–8 in) tail, though the polar bear is 2.2–2.44 m (7–8 ft) long, and some subspecies of brown bear can be up to 2.8 m (9 ...
Brown bear size, most often measured in body mass, is highly variable and is correlated to extent of food access. Therefore, bears whose range in areas with access to openings, cover, and moisture or water are on average larger, whereas those bears that range into enclosed forested areas or arid, sparsely vegetated regions, both of which tend to be suboptimal foraging habitat for brown bears ...
In Himachal Pradesh, their home is the Kugti and Tundah wildlife sanctuaries and the tribal Chamba region. The tree bearing the state flower of Himachal, buransh, is the favourite habitat of the Himalayan brown bear. Due to the high value of the buransh tree, it is commercially cut causing further destruction to the brown bear's habitat. [8]
A broad view of the National Park of Abruzzo. The Marsican brown bear (Ursus arctos arctos, [3] formerly Ursus arctos marsicanus), also known as the Apennine brown bear, and orso bruno marsicano in Italian, is a critically endangered [4] population of the Eurasian brown bear, with a range restricted to the Parco Nazionale d'Abruzzo, Lazio e Molise, and the surrounding region in Italy.
It is also called the European brown bear, common brown bear, common bear, and colloquially by many other names. The genetic diversity of present-day brown bears ( Ursus arctos ) has been extensively studied over the years and appears to be geographically structured into five main clades based upon analysis of the mtDNA .