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Hace 4 días · 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).
19 de abr. de 2024 · Polar bear, great white northern bear found throughout the Arctic region. The polar bear is the largest and most powerful carnivore on land, a title it shares with a subspecies of brown bear called the Kodiak bear. It has no natural predators and knows no fear of humans, making it an extremely dangerous animal.
- The Editors of Encyclopaedia Britannica
Hace 1 día · 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).
Hace 4 días · 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. ...
Hace 4 días · Physical Characteristics. *from Whiteman (2021); "varies substantially throughout their annual cycle" **Alaskan brown bear is nearly the same size. General Appearance. Largest living bear species. Occasionally exceeds 800 kg (1,764 lb) Head and mouth. Neck is long and very thick. In males, neck is wider than the head.
Hace 4 días · 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
28 de abr. de 2024 · But for polar bears, spring means mating. Mating season can vary slightly based on the polar bear population, but it typically lasts from March to May, with the peak around late April, although it can also continue through June, and possibly longer.
