Why it's awesome: Labord's chameleons live fast and die young ... Labord's chameleons actually spend more time developing inside their eggs than they do outside of them. For around eight to nine ...

So, how do chameleons change color ... Tiny sacs contain the pigments inside the iridophores of a live chameleon, but when the chameleon's mood changes, its nervous system activates these cells ...

Why it's awesome: Labord's chameleons live fast and die young. They hold the record for the shortest lifespan of all tetrapods — they hatch, grow, mate and die in just four to five months.