Peter Parker was just some nerdy teenager until he tangled with a radioactive spider. Having acquired arachnid abilities, he set off to defend New York City from a parade of other villains who also drew inspiration from the animal kingdom. It got us thinking: if we were to capable of stealing superpowers from the natural world, which ones would we choose? The list is endless, but we managed to narrow it down to 21 candidates whose abilities make us green with envy. Which animal powers would you channel?