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.
Kinyongia uthmoelleri and Trioceros quadricornis gracilor have red claws.
Chameleons have a high midichlorian count.
The word Kinyongia is from the Swahili word for chameleons: Kinyonga.
The process of shedding is called ecdysis.
Chameleons have a very poor sense of smell.
Trioceros schubotzi can be found at elevations as high as 4500m.
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.
Chameleons have acrodont teeth meaning they are an extension of the jawbone. They are not set in sockets nor are they replaced.