Researchers See Signs of Chronic Stress in Polar Bears' Blood

Abnormally long fasts linked to melting sea ice may be pushing polar bears to their limits.

Polar Bears Show Signs of Mysterious Illness - Alaska Public Media

Researchers See Signs of Chronic Stress in Polar Bears' Blood

Percentage of published polar bear toxicology research papers (n

Frontiers Stress in wildlife: comparison of the stress response

Climate Change Could Lead to Increase in 'Pizzly' Bears, a Polar

Born to Roam - The Suffering of Polar Bears in Zoos by BornFree

Ecotoxicologic Stress in Arctic Marine Mammals, With Particular

Pollution Blood Contaminants in Polar Bears

Why do polar bears tolerate extreme cold? - Quora

The Animal Welfare Collaborative

Polar bears just might outlive us all

Climate change could mean more wildlife disease in the Arctic