Two infants and a troop with their heads deep into the mud and butts raised up as they eat minerals straight on the dirt

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