Royal Canadian Institute for Science on Twitter: "Polar bears have 3 eyelids! The third eyelid helps protect their eyes from the elements. 6/7 https://t.co/9zNvlAyR8Z" / Twitter
Polar bear | Description, Habitat, & Facts | Britannica
Polar Bear photos, facts, and map
Three polar bears, bear family walking across the frozen sea ice in Hudson Bay, on the shore on the arctic ocean on snowy ground with fluffy legs Stock Photo - Alamy
To the Arctic,' an Imax Polar Bear Documentary - The New York Times
International ban on polar bear trade rejected
Picture Polar bears bear Three 3 animal 1920x1080
Frame-filling portrait of a young Polar Bear male jumping in the pack ice « Inhabitat – Green Design, Innovation, Architecture, Green Building
What Polar Bear Genomes May Reveal About Life in a Low-Ice Arctic | WIRED
Polar Bear Family Photograph by Randy Green - Fine Art America
Polar Bear photos, facts, and map
Mother Polar Bear With Three Cubs On The - Canvas Wall Art | Keren Su