Remarkable Similarities of Stone Tools Made by Macaques to Those of Early Humans
Stone tool production is not a skill that is only used by humans and great apes...
The study, which was published in Science Advances1, is based on fresh examinations of stone tools used by long-tailed macaques in Thailand's Phang Nga National Park. These monkeys break open nuts with the use of stone tools. The monkeys frequently smash their anvils and hammerstones in the process. The resulting collection of broken stones is sizable an…


