There are currently 202 recognized chameleon species and 85 of them are found on the island of Madagascar.
Trioceros goetzei (Goetze’s Chameleon) emits an audible, high pitched whistle when threatened.
Furcifer labordi (Labord’s Chameleon) has the shortest lifespan of only 4-5 months. It also has the shortest lifespan of any tetrapod!
Pygmy chameleons (Brookesia, Palleon, Rhampholeon and Rieppeleon sp.) often resemble dry leaves, mosses and branches.
The process of shedding is called ecdysis.
Some chameleons play dead to avoid predation; this is called thanatosis.
Chameleons can project their tongue up to 2.2 times their body length.
Kinyongia uthmoelleri and Trioceros quadricornis gracilor have red claws.
Chameleons have acrodont teeth meaning they are an extension of the jawbone. They are not set in sockets nor are they replaced.
Chameleons have a very poor sense of smell.