19. The largest known prime number contains 41,024,320 digits. 20. Frogs breathe and drink through their skin. 21. A bullet ...

Animals have a way of breaking our expectations. That is why so many weird animal facts sound fake when you hear them for the first time. We tend to judge the natural world using human logic, but ...

The animal kingdom has so many stranger-than-fiction animals. From a glowing green sea slug to a lizard with a toad's head, these weird animals are some of the most fascinating creatures in the animal ...

Read on for some chilling curiosities from the creatures of the Smithsonian’s National Zoo and Conservation Biology Institute. Mike Bock Warning: The following animal facts are extremely creepy and ...