Gular Ornamentation of  Trioceros tempeli

Trioceros tempeli is an endemic of Tanzania. It is the only African chameleon species with a complete double gular crest consisting of  heavily enlarged conical scales. In Africa, only Trioceros laterispinis has a similar crest, in Madagascar, an analogous gular crest you can see in Calumma capuroni.      

see more:

https://www.chameleons.info/en/calumma-capuroni

https://www.chameleons.info/en/trioceros-tempeli

https://www.chameleons.info/en/trioceros-laterispinis