text: Wild monkeys seen using tools, researchers report Wild South American monkeys routinely use fist-sized rocks to crack open seeds and to dig in dry Brazilian soil for grubs and edible tubers, researchers report in the journal Science.
inputs: Wild monkeys seen using tools, researchers report Wild South American monkeys routinely use fist-sized rocks to crack open seeds and to dig in dry Brazilian soil for grubs and edible tubers, researchers report in the journal Science.