because they don't have melanin they have an abundance of ammonia and sulfur in their skin, which keeps them warm in cold weather. also explains the way they smell...
All these other pictures were funny, but ain't shit funny about that one.
I swear I be out there wearing two layers of clothes and a thick winter jacket, while these crazy fucks are wearing shorts and flip flops thru the snow like it's nothing.
It might be why they're so crazy. They've frozen and/or damaged valuable parts of the brain.