close up of an angry head of a green forest lizard calotes calotes

green forest lizard angry head vertically tree stem sitting calotes close vine sri lanka common agamid nonbreeding concave forehead swollen cheek headscales spines dorsal scales adult staring nature animal reptile tropical beautiful macro closeup wild skin wildlife exotic reptilian portrait creature predator eye background fauna camouflage spine natural spike chameleon changeable looking scale spiny cute crawling environment watching profile posing detail climb leaf asia paradise body texture ceylon beauty resting branch single wood unique covered