But what are polar bears at zoos in North America doing?
Reviews are mixed. Chicago's Lincoln Park Zoo is among those that kept their polar bears inside. Without the extra fat they'd put on eating blubber in the wild, zookeepers say it's just too cold for them.
But in Denver, Winnipeg and Toronto, the polar bears are perhaps happier than anyone about the snow!
|Photo courtesy Denver Zoo/Facebook|
|(MELISSA TAIT / WINNIPEG FREE PRE)|
From Toronto, here's a baby polar bear seeing snow for the first time: