Polar bears are neat freaks!
If you live in constant freezing temperatures, like the polar bear does, you probably want to do the most you can to keep warm at all times, no? Well, turns out, for polar bears, this means that they need to be neat freaks.
Following mealtime, polar bears will spend 15-20 minutes obsessively grooming themselves. The reason for this is to make sure no dirt or residue is left on their fur that would interfere with it's insulating properties.