The horns on a chameleon are made up of ringlike segments of inner bone covered by a hard keratin-like skin.
Many chameleon species have a bright red, orange or yellow mouth. This conspicuous interior when displayed is used as a defense against predators.
The word Kinyongia is from the Swahili word for chameleons: Kinyonga.
Chameleons can project their tongue up to 2.2 times their body length.
The word Calumma comes from the Latin word for covering. This genus consists of chameleons from Madagascar with occipital lobes.
Chameleon fossils have been found in central Europe and China, indicating they were once much more widespread than they are now.
Chamaeleo namaquensis is found in the desert of Namibia. To cool off it will sometimes bury itself in the sand.
The oldest known chameleon fossil is from the extinct species Chamaeleo caroliquarti. It was found in Europe and is 26 million years old.
The word Rieppeleon is named after the scientist Olivier Rieppel.
Kinyongia uthmoelleri and Trioceros quadricornis gracilor have red claws.