Green polar bears puzzle zoo visitors

Three normally white polar bears at Higashiyama Zoo and Botanical Gardens in central Japan changed their color in July after swimming in a pond with an overgrowth of algae.
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Berlin Zoo Anxiously Hopes Newborn Polar Bear Survives First Few Days

A Polar Bear Love Story With an Uncertain Ending

How One Man Escaped a Polar Bear Attack

Polar bears at Portland's zoo: A century marked by sadness

Polar bear, Description, Habitat, & Facts

The strange story of a polar bear, a farm in Suffolk and Jamie

DNA Pulled From Paw Prints May Help Researchers Study Elusive

Polar bears aren't actually white, and sometimes they can turn

Lincoln Park reopens to the public after pandemic-related shutdown

Grizzly Bear and Polar Bear Cub Become Best Friends at Detroit Zoo