In the wild, polar bears live an average of 15 to 18 years, although biologists have tagged a few bears in their early 30s. |
Cubs at Birth · At birth, polar bear cubs weigh about 454 to 680 g (16-24 oz.) and are about 30 cm (12 in.) long. Males are born slightly larger than females. |
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 ... Polar bear jail · Polar bear conservation · International Polar Bear Day · Spirit bear |
Minimum cub survival from one autumn to the next was 34.7% and was related to cub mass, maternal mass, and maternal condition. Cub survival during autumn was ... |
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