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.

Scientists find hundreds of new toxins in polar bear blood

Environmental and behavioral changes may influence the exposure of

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

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

Researchers see signs of chronic stress in polar bears' blood - EHN

Geographic Region North America

Polar Bears Show Signs of Mysterious Illness - Alaska Public Media

George Durner a polar researcher from the US Geological Survey

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

Skin biopsies from affected and unaffected polar bears captured in

Stress Test

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

Stress in Polar Bears - Forschen, Handeln

Polar bears may suffer stress from coping with rising temperatures