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3 giorni fa · The polar bear (Ursus maritimus) is a large bear native to the Arctic and nearby areas. It is closely related to the brown bear, and the two species can interbreed. The polar bear is the largest extant species of bear and land carnivore, with adult males weighing 300–800 kg (660–1,760 lb
13 mag 2024 · Bear, any of eight species of large short-tailed carnivores found in the Americas, Europe, and Asia. The sun bear is the smallest, often weighing less than 50 kg (110 pounds). The largest bear, and the largest land carnivore, is either the polar bear or the Kodiak bear; either can weigh up to 720 kg (1,600 pounds).
7 mag 2024 · Polar Bears and Brown Bears ( U. arctos) comprise a sister group to Black Bears (Krause et al. 2008; Miller et al. 2012; Cronin et al. 2014) Also related to the extinct Cave Bear ( U. speleaus) (Krause et al. 2008; Agnarsson et al 2010) Lineages leading to the 6 distinct living bear species in Ursus radiated from a common ancestor 6. ...
1 giorno fa · The bear family includes the most massive extant terrestrial members of the order Carnivora. The polar bear is considered to be the largest extant species, with adult males weighing 350–700 kilograms (770–1,500 pounds) and measuring 2.4–3 metres (7 ft 10 in – 9 ft 10 in) in total length.
- Ursidae, G. Fischer de Waldheim, 1817
- Carnivora
7 mag 2024 · Species: Ursus maritimus — polar bear, white bear, sea bear. Head/Body Length. Female: 200 cm (6 ft) Male: 250 cm (8.2 ft) Tail Length. 76–127 mm (3–5 in) Weight. Female: typically 150–350 kg (330–770 lb) Male: typically 350–650 kg (775–1,430 lb); very large males can weigh to 800 kg (1,760 lb) Pelage
7 mag 2024 · 2009: Population estimates for all 19 Polar Bear populations about 20,000 to 25,000 individuals. (IUCN 2009) Unlike all other bear species, Polar Bears still occupy most of their original habitat. 2009: Polar Bear Specialist Group reveals that eight Polar Bear population groups are estimated to be in decline, up from five in 2005.
11 mag 2024 · The polar bears of Hudson Bay live in a seasonal ice area, where the ice melts completely in summer and freezes again in fall. Follow the bears on our tracker as they hunt seals when the bay is frozen or are forced ashore during the ice-free seasons. Start Tracking the Bears.
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