tufted gray langur monkey-eating on the tree, while making loud noises, expressing its self while the mouth is open, close up wild

animals behaviour black cercopithecidae ceylon closeup coromandel eat eating endangered eyes face forest gray grey habitat hair hairy hanuman heli jungle keeping langur lanka madras mammal monkey monkeys natural nature photography portrait priam primate primates rainforest reserve sacred semnopithecus sitting sri subcontinent threatened tongue tropical tufted udawalawe wandura watch wild wilderness wildlife yala