A female polar bear and her two cubs head off across the ice to look for food.

If they don't have a female bear now, they're not going to get one this year.

He decided to go and find both the female bear and the food.

The female bears 50-100 live young, typically in May.

Each female bears only one offspring on average, every three to four years.

But he said his staff would review the idea along with a study on the use of an immuno-contraceptive for female bears.

It is here that the female polar bear will go into a hibernation type state.

Only one animal, a female black bear, remains alive of the 100 there when the siege began in April.

She sent a female bear to suckle the baby, who was then raised by hunters.

A female polar bear leads her two cubs across the sea ice.