National Geograph explores the magic and mystery.
A tongue far longer than its body, shooting out to snatch insects in a fraction of a second. Telescopic-vision eyes that swivel independently in domed turrets. Feet with toes fused into mitten-like pincers. Horns sprouting from brow and snout. Knobbly nasal ornaments. 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.