Risultati di ricerca
22 mag 2024 · bear, (family Ursidae), any of eight species of large short-tailed carnivores found in the Americas, Europe, and Asia. The sun bear ( Helarctos malayanus) is the smallest, often weighing less than 50 kg (110 pounds). The largest bear is either the Kodiak bear ( Ursus arctos middendorffi, a subspecies of Alaskan brown bear; see also grizzly bear ...
7 mag 2024 · An ancestor of Brown and Polar Bears diverged from the European Cave Bears (U. spelaeus) around 1.6 million years ago. (Bon et al 2008) Cave Bears are sister to a clade of Brown and Polar Bears (Agnarsson et al 2010) Estimates vary widely for timing of Brown Bear and Polar Bears divergence (Lindqvist et al 2010) 1,320,000 to 200,000 years ago.
22 mag 2024 · The term grizzly bear, however, is often applied informally to brown bears of North America regardless of subspecies. Large adult grizzlies may be about 2.5 metres (8 feet) long and weigh about 410 kg (900 pounds). Because of their bulk and their long straight claws, grizzly bears rarely climb trees. They are, however, surprisingly agile and ...
2 giorni fa · In Northeastern Asia, large males can reach brown bear-like sizes, weighing 270 kg (600 lb) and measuring 110–118 cm (43–46 in) in shoulder height. Some adult males in Ussuriland and Manchuria have been recorded to weigh 300–350 kg (660–770 lb) and measure 125 cm (49 in) in shoulder height.
23 mag 2024 · Brown bears, black bears and Arctodus simus all co-existed on Vancouver Island once the island de-glaciated ~14,500 BP. According to an isotope analysis, all three bears relied on terrestrial resources, with black bears occupied a distinctly lower trophic position in relation to the brown bear, with Arctodus holding an intermediate position.
2 giorni fa · t. e. The California Republic ( Spanish: República de California ), or Bear Flag Republic, was an unrecognized breakaway state from Mexico, that for 25 days in 1846 militarily controlled an area north of San Francisco, in and around what is now Sonoma County in California. [1]
20 mag 2024 · The wolverine ( / ˈwʊlvəriːn / WUUL-və-reen, US also / ˌwʊlvəˈriːn / WUUL-və-REEN; [4] Gulo gulo; Gulo is Latin for " glutton "), also referred to as the glutton, carcajou, or quickhatch (from East Cree, kwiihkwahaacheew ), is the largest land-dwelling member of the family Mustelidae. It is a muscular carnivore and a solitary animal. [2]
