Busy feeding on minerals as they dig from the mud, others pass by with infants hanging, others choose the perfect spot

foraging animals salt lick mammals kaeng krachan national park foraging primates wildlife stumptailed macaque monkeys apes tropical animals macaque conservation macaca arctoides macaca troop old world monkey jungle mud primate vulnerable species simiiformes haplorhini eating monkey digging bear nature habitat nutrients unesco frugivorous thailand cercopithecidae summer jungle ambience forest infant tropical forest rainforest daytime world heritage insects vegetation vulnerable minerals hot trees butterflies