Earliest evidence of monkeys’ use of stone tools found
Capuchins in Brazil used flat ‘anvils’ and round ‘hammers’ to smash nuts at least 600 years ago
NUTCRACKER A juvenile male bearded capuchin monkey uses a rock like a hammer to open a green cashew nut. Capuchins have used stone tools like these for at least 600 years.
Tiago Falótico