Pregnant polar bear females usually enter the den in late autumn and remain there throughout the winter. They don't eat ...

How much they weigh: From as little as 60 pounds (27 kilograms) to more than 1,700 pounds (771 kg) ...

The study follows 15 polar bear mothers and cubs that have been recorded over the years on the Norwegian archipelago of Svalbard. Pregnant polar bear females usually enter the den in late autumn ...

Instinct plays a huge role in parenting, and humans can learn a lot from the animal kingdom. Helen Jukes, author of Mother ...

The Cincinnati Zoo & Botanical Garden counts on federal funds to grow cat, polar bear and rhino populations country-wide. The ...

One of the great marvels of nature is how bears, the largest carnivore in North America, are able to hibernate all winter, ...

it is not common for a polar bear to be born in an aquarium or zoo. That’s why the team of veterinarians was thrilled when they noticed that Aurora was pregnant. Everything has gone well.

Many bear species don't hibernate at all ... so they don't hibernate, either. However, pregnant polar bears do dig dens to prepare for the birth of their cubs. They spend most of their time ...