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2 giorni 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
2 giorni fa · Adults typically range from 120 to 200 cm (47 to 79 in) in head-and-body length, and 70 to 105 cm (28 to 41 in) in shoulder height. Although they are the smallest bear species in North America, large males exceed the size of other bear species, except the brown bear and the polar bear.
4 giorni fa · Arctodus is an extinct genus of short-faced bear that inhabited North America during the Pleistocene (~2.5 Mya until 12,800 years ago). There are two recognized species: the lesser short-faced bear ( Arctodus pristinus) and the giant short-faced bear ( Arctodus simus ).
2 giorni fa · 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).
4 giorni fa · An emblematic animal of the Far North, the polar bear is regularly the subject of scientific research. But it’s not easy to study the King of the Arctic in its natural environment, and this creates a number of gaps in our understanding of the species and, consequently, in our conservation policies.
5 giorni fa · Brown Bears (includes Grizzly Bears) and Polar Bears diverged from the Black and Sun Bears in the last 6.1 million years ago (Pliocene) An ancestor of Brown and Polar Bears diverged from the European Cave Bears ( U. spelaeus ) around 1.6 million years ago.
2 giorni fa · The Polar Bear, the largest terrestrial carnivore, is native to the Arctic Circle, encompassing the Arctic Ocean and its surrounding seas and landmasses. Characterized by their white fur, which provides camouflage in their snowy environment, polar bears are primarily dependent on sea ice for hunting seals, their main food source.
