Tortoises have a reputation for being a little slow, but these armored reptiles can actually be pretty speedy when they want to (mess with the turt and you get hurt). Videos of dancing tortoises have become something of an Internet sensation, often seen shaking their booties under streams of water. The welcome content is mostly seen in one species: the radiated tortoise whose rain dance is something to behold. While the behavior has been spotted in a few tortoise species, radiated tortoises are the most famous booty shakers. They are quite big as tortoises go, weighing around 16 kilograms ...