Trioceros goetzei (Goetze’s Chameleon) emits an audible, high pitched whistle when threatened.
Trioceros schubotzi can be found at elevations as high as 4500m.
Kinyongia uthmoelleri and Trioceros quadricornis gracilor have red claws.
Some chameleons play dead to avoid predation; this is called thanatosis.
Chamaeleo namaquensis is found in the desert of Namibia. To cool off it will sometimes bury itself in the sand.
The largest chameleon species by weight is Calumma parsonii (Parson’s Chameleon).
Furcifer oustaleti (Oustalet’s Chameleon) is the longest chameleon species reaching lengths of 27 inches (68cm).
Furcifer labordi (Labord’s Chameleon) has the shortest lifespan of only 4-5 months. It also has the shortest lifespan of any tetrapod!
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.
Pygmy chameleons have bicuspid claws where each claw has two points like a crescent moon.