These highly venomous marine reptiles have an undeserved reputation as being dangerous for extremely potent venom but are actually extremely curious and docile animals. Remember, next time you see an Olive Sea Snake, just redirect it and you'll both have a good time.

These mammals are endemic to Madagascar, they are the only mammals to use stridulation to communicate with each other, which is another form of echolocation. They can reproduce in the same season they are born.