Monkeys have used stone tools for hundreds of years - YouTube
Monkeys Provide Clues to How Tool Use Developed - The New York Times
Monkeys Trash Theory of People in Americas Tens of Thousands of Years Ago - Archaeology - Haaretz.com
Capuchin monkeys have been using stone tools for around 3,000 years
Some monkeys reuse their stone tools but others just chuck them away | New Scientist
New study shows use of tools supports learning in nonhuman species - UGA Today
Monkey tool design changed over millennia
Do Monkeys Make Stone Tools? - The Atlantic
Chimpanzees hunting for honey are cleverer than we thought
Capuchin monkey research shows use of tools is widespread in the animal kingdom - UGA Today
Monkey using tool hi-res stock photography and images - Alamy
Oldest non-human stone tools outside Africa found in Brazil
New study on monkeys using stone tools raises questions about evolution | The Hill
Earliest evidence of monkeys' use of stone tools found
Monkeys smashing nuts with stones hint at how human tool use evolved
Monkeys – Not Humans – Made Ancient Sets of Stone Tools in Brazil, Study Finds : ScienceAlert
Oldest non-human stone tools outside Africa found in Brazil
Chimp Intelligence Vs Humans
Some Monkeys Entered The Stone Age More Than 3,000 Years Ago - GAP Project
New study on monkeys using stone tools raises questions about evolution | The Hill
Chimps Using Tools | Facts About Chimpanzees | DK Find Out
The Incredible Range of Chimpanzee Behavior - JSTOR Daily
Capuchin monkeys have been using stone tools for thousands of years • Earth.com
Monkeys making stone flakes provoke questions about early humans : Shots - Health News : NPR
Oldest non-human stone tools outside Africa found in Brazil
Capuchin monkeys' stone-tool use has evolved over 3,000 years
