Polar bear cub hitches a ride
Arctic waters are at best chilly and at worst close to freezing.
This may explain why a polar bear cub has recently been seen riding on the back of its mother as the bears swim across parts of the Arctic Ocean.
The cub then briefly rode her back as she clambered out of the icy water, a unique event photographed by a tourist.
Experts have rarely seen the behavior, and they say the latest find suggests it may be a more common practice than previously thought.