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.

What Keeping Polar Bears in Zoos and Aquariums Does to These

What Keeping Polar Bears in Zoos and Aquariums Does to These

Pathogens, Free Full-Text

Exploring the Fascinating Traits of Polar Bear Personality

Stress Test

Geographic Region North America

Researchers See Signs of Chronic Stress in Polar Bears' Blood

Pollution Blood Contaminants in Polar Bears

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