Close up image of a polar bear in a zoo enclosure with algae growth making its fur appear a bright green color.
Polar Bear with Algae Growth in its Fur
Polar bear fur with algae growth in its fur. Source: Higashiyama Zoo, Japan, 2008.
A Blog for Naturalists
Close up image of a polar bear in a zoo enclosure with algae growth making its fur appear a bright green color.