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The secret lives of polar bear families

Thu, 27 Feb 2025 04:33:41 GMT

Despite this clear motivation to get back to hunting seals on the sea ice, polar bear families will often hang out at the den for days or weeks after emerging. On average, the families we monitored in ...


Polar bears in Canada are on the edge of extinction. Here's what's being done to protect them.

Tue, 04 Mar 2025 12:57:00 GMT

Just on the edge of the western Hudson Bay lies the small town of Churchill, Manitoba. Here, the sea meets the boreal forest under the rippling northern lights. Farther to the north, the trees stop ...


Polar bear cubs are emerging earlier from dens

Fri, 28 Feb 2025 16:00:00 GMT

Many bears excavate dens in hilly spots where snow piles up, creating hidden alcoves ... where finding the right prey is already no small task. The hope is that protective measures can give these ...


Tracking polar bears during their most secretive stage of life

Fri, 07 Mar 2025 17:02:00 GMT

Researchers have combined satellite collar data with specialized cameras to shed light on one of the most mysterious and important stages in polar bears' lives -- maternal denning, when bears give ...


U of T-Led Study Reveals Polar Bear Denning Secrets

Wed, 05 Mar 2025 23:50:00 GMT

The observations and models are described in a study published in the Journal of Wildlife Management. When sealed in snow, polar bears' maternal dens can be 20 C warmer than the outside air (photo by ...