A skin flap circling the neck like a lace ruff on an Elizabethan noble. Of all its corporeal quirks, the chameleon is most defined by one, noted as far back as Aristotle: color-changing skin.

If it were a car, a chameleon's tongue could accelerate from 0 to 60 miles per hour in 1/100th of a second. It's the highest acceleration and power output of all reptiles, birds and mammals.

Almost one-half of the world’s chameleons live on the island of Madagascar. As with all chameleons, Meller's will change colors in response to stress and to communicate with other chameleons.

all without destroying the image quality. A new study from Georgia Tech university, published July 19 to the pre-print arXiv ...

An angry chameleon may exhibit yellow, because the yellow cells have fully expanded, thus blocking off all blue-reflected light from below. Other lizards, like the green anole, can also change color.