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

Frank Polar Animals Puzzle For 4 Year Old Kids And AboveIn this series of animal puzzles, young learners will be amazed to discover the different

Frank Polar Animals Puzzle for 4 Year Old Kids and Above & Frank - 10502 in The Jungle Puzzle for 4 Year Old Kids and Above

The Calgary Zoo - Wilder Institute/Calgary Zoo

Polar Bear Breakfast - Wilder Institute/Calgary Zoo

Inside Canada's Polar Bear Jail - Atlas Obscura

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Arctic Polar Bear Habitat

Green polar bears puzzle zoo visitors

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

Calgary zoo welcomes polar bears at new exhibit

Melting Arctic Sea Ice Threatens Polar Bears

Denver Zoo of future: Swim alongside bears; tree-top classrooms

Polar bear, Description, Habitat, & Facts

Polar Bear Infographic — My Green World

Polar Habitat