Not grizzly bears in white coats': Longer Arctic summers could

Scientists expect that longer time spent on land will increase the risk of starvation.

Grizzly bears move north in High Arctic as climate change expands

Melting hopes: Study shows polar bears can't adapt to longer Arctic summers, National

White Bears and a Warming Arctic — Encounters North

Bears, facts and information

Polar bears not likely to make it through longer summers, research

Polar bear photos in Alaska and natural history information

Polar Bear Species Profile, Alaska Department of Fish and Game

Arctic ice loss forces polar bears to use four times as much

Black bears: The most common bear in North America

What happens to polar bears in a warm climate? - Quora

Why Polar Bear-Grizzly Hybrids Can't Save Polar Bears

Can the Great Bear Survive Today's Great Plains?

Longer Summers And The Fate Of The Polar Bear

How do polar bears eat when there's no sea ice? Not well, study finds

Adaptations & Characteristics

Polar bear - Detroit Zoo

Polar Bear - Plugged In

Researchers See Signs of Chronic Stress in Polar Bears' Blood

Subpopulation of Greenland Polar Bears Found by NASA-Funded Study

How the narrative on polar bears has become a problem for Arctic environmental groups - ArcticToday