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2 giorni fa · The polar bear is the largest extant species of bear and land carnivore, with adult males weighing 300–800 kg (660–1,760 lb). The species is sexually dimorphic, as adult females are much smaller. The polar bear is white- or yellowish-furred with black skin and a thick layer of fat.
17 giu 2024 · A polar bear is a great white northern bear (family Ursidae) found throughout the Arctic region. Except for one subspecies of grizzly bear, the polar bear is the largest and most powerful carnivore on land. It has no natural predators and knows no fear of humans, making it an extremely dangerous animal.
- The Editors of Encyclopaedia Britannica
4 giu 2024 · Some fossils date back to as long ago as 130,000 years (Kurtén 1995; Ingolfsson and Wiig 2009; Lindqvist et al 2010; Lan et al. 2022) In 2004, a well-preserved 110,000-130,000-year-old jawbone and canine tooth were discovered in the Svalbard archipelago of Norway and provided DNA.
20 giu 2024 · Polar bears are fascinating animals which deserve our respect and protection. These 25 polar bear facts will show you why.
4 giu 2024 · Ringed Seals, the Polar Bear's primary prey, have evolved into very cautious, vigilant animals; by contrast Weddel Seals living without ground predators in the Antarctic are comparatively unafraid (Stirling 1977, Amstrup 2003)
15 giu 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.
1 giorno fa · These animals may be taken by a short rush and ambush, though hiding young may be sniffed out and pounced on. The polar bear mainly preys on seals, stalking them from the ice or breaking into their dens.
