Female polar bears give birth in December or early January when the cubs are blind, hairless and weigh just 0.5 kg.

Researchers from Polar Bears International, San Diego Zoo Wildlife Alliance, the Norwegian Polar Institute, and the University of Toronto Scarborough reveal the first detailed look at polar bear cubs ...

Alaska’s brown bears can rival polar bears in terms of size ... peg-like ears and a short, blocky muzzle. Fat Bear Week is an online competition hosted by the Katmai National Park and Preserve ...

Remote cameras were deployed in the Arctic mountains across nearly a decade; Valuable footage of moms and cubs emerging from ...

gaining fat, getting big and when they come off of that ice they have to fast.” No one wants to see a hungry polar bear, which is why these latest findings and videos of polar bear activity will ...

Polar bear mothers in the Arctic generally give birth ... nursing on milk that’s about 31 percent fat. By the time they are ready to leave the den in the spring, they are up to 20 times bigger ...

However, one lingering question is whether the polar bear’s diet influences the composition of the sebum they excrete, as they consume a fat-rich diet, primarily from seals, which may contribute ...