The horns on a chameleon are made up of ringlike segments of inner bone covered by a hard keratin-like skin.
Some chameleons play dead to avoid predation; this is called thanatosis.
The largest chameleon species by weight is Calumma parsonii (Parson’s Chameleon).
There are currently 202 recognized chameleon species and 85 of them are found on the island of Madagascar.
Furcifer labordi (Labord’s Chameleon) has the shortest lifespan of only 4-5 months. It also has the shortest lifespan of any tetrapod!
Chameleons have a very poor sense of smell.
The oldest known chameleon fossil is from the extinct species Chamaeleo caroliquarti. It was found in Europe and is 26 million years old.
Pygmy chameleons (Brookesia, Palleon, Rhampholeon and Rieppeleon sp.) often resemble dry leaves, mosses and branches.
The process of shedding is called ecdysis.
Trioceros schubotzi can be found at elevations as high as 4500m.