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Family Ursidae (bears) is the largest of all the land caniforms. Eight species are recognized, divided into five genera. They range from the large polar bear (350–680 kilograms (770–1,500 lb) in males) to the small sun bear (30–60 kilograms (66–132 lb) in males) and from the endangered giant panda to the very common black bear. Common ...
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 ...
A polar bear family stays near the den for roughly two weeks; during this time the cubs will move and play around while the mother mostly rests. They eventually head out on the sea ice. [133] Mother nursing her young. Cubs under a year old stay close to their mother. When she hunts, they stay still and watch until she calls them back. [134]
Ursus is a genus in the family Ursidae that includes the widely distributed brown bear, [3] the polar bear, [4] the American black bear, and the Asian black bear. The name is derived from the Latin ursus, meaning bear. [5] [6]
The bear family includes the most massive extant terrestrial members of the order Carnivora. [a] The polar bear is considered to be the largest extant species, [42] with adult males weighing 350–700 kg (770–1,540 lb) and measuring 2.4–3 m (7 ft 10 in – 9 ft 10 in) in total length. [43]
The polar bear is a major predator of Arctic seals and walruses, particularly pups. Bears may seek out seals, or simply wait for them to come by. Other terrestrial predators include cougars, brown hyenas and various species of canids, which mostly target the young. [103] Orca hunting a Weddell seal
Pipaluk, a male polar bear, was the first male polar bear born in captivity in Britain, and, like Brumas, became a major celebrity at Regent's Park Zoo in London during early 1968. His name came from an Inuit term meaning "little one". Pipaluk was moved from London to Poland in 1985 when the Mappin Terraces, which housed the bears, was closed.
The Asiatic black bear and the polar bear used to be placed in their own genera, Selenarctos and Thalarctos; these are now placed at subgenus rank. Subfamily Ursinae Fischer de Waldheim, 1817 †Aurorarctos Jiangzuo & Flynn, 2020 †Aurorarctos tirawa Jiangzuo & Flynn, 2020; Helarctos Horsfield, 1825. Helarctos malayanus (Raffles, 1821) – sun ...