Arctic critters like the snowy owl have no trouble gallivanting across bitter tundras or gliding through freezing polar sea water in the dead of winter.
While other animals hunker down as cold weather approaches, these creatures with snowy camouflage and thick layers of fat, fur and feathers don't skip a beat.
Arctic fox have deep, thick fur that allows them to maintain a consistent body temperature, and their round, compact bodies minimize the amount of surface exposed to the cold. (Photo: outdoorsman/Shutterstock)
Arctic beluga whales swim south in large herds as the sea freezes over. If they get trapped in the ice, they become prey for humans, polar bears and other whales. (Photo: Steve Snodgrass [CC BY 2.0]/Flickr)