Polar bears aren't actually white. Their color is determined by the lighting and climate of their surroundings. Following is a transcript of the video. Polar bears aren't actually white.Turns out ...

Polar bears are often associated with their iconic white fur , a defining characteristic of one of the Arctic's most formidable predators. However, there's a fascinating detail about polar bears ...

Siku, a polar bear at Lincoln Park Zoo, developed allergies to various substances including human hair dander (Credit: Lincoln Park Zoo) It may be that zoo animals are so well cared for they ...

Polar bears aren't actually white. Their color is determined by the lighting and climate of their surroundings. Following is a transcript of the video. Polar bears aren't actually white.Turns out ...

White fur, blubbery skin, sharp claws. Polar bears seem perfectly adapted to their frigid habitat up north. Now, researchers have discovered the bears have another unexpected Arctic adaptation ...

In 2018, staff at Lincoln Park Zoo in Chicago began to notice something unusual about a male polar bear named Siku. He was losing hair, revealing patches of black skin underneath. Evidently itchy ...