Norwegian Lundehund puppies are born with "a minimum of 6 toes" on each foot, according to the AKC. They're the only breed to have this trait. Koala fingerprints have been known to throw off detectives because they're so similar to human fingerprints. There are roughly 1.5 billion bugs for every one person on the planet! They're more essential to most of our ecosystems than humans. In the United States, there are 15 puppies and 45 kittens born for every one human. The Guiness World Record for smallest dog is held by a 3.8 inch tall Chihuahua named Milly. If there are no suitable male turkeys around, a female turkey will fertilize her own eggs.