Pittsburgh Zoo & Aquarium posted a video of Snowflake the polar bear romping in the snow. The video shows Snowflake sliding around in the snow. Click the video player above to watch Snowflake play.

On Saturday morning, the Kansas City Zoo celebrated International Polar Bear Day by giving their 8-year-old male bear, Nuniq (NEW-nick), a few treats and enrichment activities.

Will it be a picture that reflects the pristine beauty of the natural world, or one that shows the potentially devastating impact of human beings on their surroundings?

The first astronauts to enter a polar orbit chose the obvious animal to serve as their zero-g indicator: a plush polar bear. The doll also has an emperor penguin embroidered on its chest.

Also featured are an Adélie penguin approaching an emperor penguin and its chick, and a striking image of a rail of clothing fashioned from some of the world’s most endangered big cats.

The Canadian town of Churchill has already had more than four times as many polar bear visitors this year compared with the same time last year, and many more could soon be on the way.

On Saturday morning, the Kansas City Zoo celebrated International Polar Bear Day by giving their 8-year-old male bear, Nuniq (NEW-nick), a few treats and enrichment activities.

The first astronauts to enter a polar orbit chose the obvious animal to serve as their zero-g indicator: a plush polar bear. The doll also has an emperor penguin embroidered on its chest.

A sleeping polar bear and some sociable penguins are among the images shortlisted for the Wildlife Photographer of the Year People’s Choice award ...

Also featured are an Adélie penguin approaching an emperor penguin and its chick, and a striking image of a rail of clothing fashioned from some of the world’s most endangered big cats.