The horns on a chameleon are made up of ringlike segments of inner bone covered by a hard keratin-like skin.
Kinyongia uthmoelleri and Trioceros quadricornis gracilor have red claws.
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.
The word Furcifer is derived from the Latin word “furci” or forked.
Some chameleons play dead to avoid predation; this is called thanatosis.
The word Kinyongia is from the Swahili word for chameleons: Kinyonga.
Chameleons can project their tongue up to 2.2 times their body length.
Chameleon fossils have been found in central Europe and China, indicating they were once much more widespread than they are now.
There are currently 202 recognized chameleon species and 85 of them are found on the island of Madagascar.
The chameleon tongue accelerates towards its target at over 1642m per second. Chameleons rarely miss their intended food item.