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Chameleons were a form of animals which lived on Earth. They changed their skin to match their background in order to camouflage themselves and hide. They had long sticky tongues, which would shoot out to catch their prey. (TV: Nightvisiting)
Dodo Chaplet pointed one out to Steven Taylor aboard the Ark. (TV: The Ark)
Evelyn Smythe compared the Galyaris' eyes to those of a chameleon. (AUDIO: The Sandman)
In November 2016, Andrea Quill compared the Lankin to a chameleon, because of the way it camouflaged itself and snatched its prey. (TV: Nightvisiting)