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Hace 2 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).
3 de may. de 2024 · Actualizado: 3 mayo 2024. El oso polar está en peligro de extinción, ya hace tiempo que los expertos vienen alertando de la problemática a la que se enfrenta a esta especie, pero no fue hasta 2008 cuando Estados Unidos decidió incluir al oso polar u oso blanco en su lista de animales en peligro de extinción.
7 de may. de 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. ...
7 de may. de 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 de may. de 2024 · Polar Bear ( Ursus maritimus) Fact Sheet: Population & Conservation Status. Population & Conservation Status. Population Status. Global population estimate. Difficult to assess; polar bears occur at low densities in remote regions (Wiig et al. 2015) Approximately 26,000 individuals (range: 22,000–31,000) (Wiig et al. 2015)
5 de may. de 2024 · POLAR BEAR. Polar bears are the largest land carnivore. Adapted for the cold, polar bears have a thick fur coat that appears white in coloration, but is really translucent. Their black skin color is readily apparent on the nose, eyes, lips and footpads.
14 de may. de 2024 · Antarctica is the continent situated the furthest south, and according to Live Science, there was never a point in the polar bear's comparatively younger evolution at which the North and South Poles were connected. This would have allowed polar bears to more easily make their way to new regions.
