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.
This is additional taxonomy that helps us with analytics

PolarPalooza Weekend is - Como Park Zoo & Conservatory

Ranua Wildlife Park – Ranua, Finland - Atlas Obscura

20 Books About Polar Bears and Arctic Animals

Where can I see polar bears?

Zoo's polar bear died of heart ailment

Polar bear, Description, Habitat, & Facts

Top Reasons to Visit the KC Zoo this Winter - KC Parent Magazine

The Polar Bear Paradox - WSJ

Zoos Support Polar Bear Conservation Research in the Wild - Guest

Point Defiance Zoo Welcoming New Polar Bears in Spring 2023

Dead Whales Once Saved Polar Bears From Climate Change, But Not