Brookfield Zoo, which has cared for generations of polar bears, hopes to offer guidelines for an area where mothers den at ...

Discover the allure that draws global visitors to experience Alaska's unique ecosystem. Sponsored by Holland America ...

Finding a suitable winter den can determine whether a bear survives months of cold, deep snow, and food scarcity. For ...

Alaska has no native or established snake populations. Extreme cold and limited seasonal heat make long-term survival impossible for snakes. All verified snake appearances in Alaska involve escaped or ...