- Evidence of capuchin monkeys using tools 3000 years ago Phys.org
- Capuchin Monkeys May Have Been in Their Own Unique 'Stone Age' For at Least 3,000 Years ScienceAlert
- Capuchin monkeys have a 3,000-year archaeological record Ars Technica
- Monkeys are having their own Stone Age and using tools like humans, breakthrough discovery finds Evening Standard
- Oldest non-human stone tools outside Africa found in Brazil National Geographic
- View full coverage on Google News
