Chameleons do have taste buds on their tongue but overall they have a poor sense of taste.
Chameleons have a very poor sense of smell.
Chameleons have laterally compressed bodies. This enables them to warm up quickly by presenting a larger surface area to the sun. It also helps some chameleon species blend in among the similarly shaped leaves in their environment.
The horns on a chameleon are made up of ringlike segments of inner bone covered by a hard keratin-like skin.
Chameleons can project their tongue up to 2.2 times their body length.
Trioceros goetzei (Goetze’s Chameleon) emits an audible, high pitched whistle when threatened.
Pygmy chameleons have bicuspid claws where each claw has two points like a crescent moon.
The word Bradypodion comes from the latin “bradus podos” or slow foot.
The word Chamaeleo is derived via Latin from the Greek word khamaileon. It roughly translates to ground lion. Khamai means on the ground and leon means lion.
Chameleons do not have external ears or a tympanic membrane, but they do have internal ears as well as degenerated middle ears. They do not hear well but they can detect low frequency sounds.