A troop digging for minerals to eat behind a fallen dead tree in the middle, one on the right head deep into the mud

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