Two black and white colobus monkeys are grooming each other on a tree branch

colobus primates primate monkeys monkey grooming ape guereza wildlife male mammalia animalia mammal herbivores head animal chordata fur closeup jungle haplorhini africa herbivore cercopithecide cleaning mother cute wild beautiful two inspection groom rare hair each other nature portrait colobinae tree fleas other natural background black and white each outdoor white black forest