Chimps pack specialized tool kits, scientists say
Bonobos use a range of tools like stone-age humans | New Scientist
Chimps Use Tools to Excavate Underground Food, Study Says | Sci.News
Tool use is 'innate' in chimpanzees but not bonobos, their closest evolutionary relative | University of Cambridge
Why Chimpanzees Have Not Entered The Stone Age
How a Woman Changed the Definition of Man and Asked, 'What is Human?'
Chimpanzees Are Intelligent Enough To Use Tools Without Getting Help From Others
Oldest non-human stone tools outside Africa found in Brazil
Great apes can make and use tools, Israeli study shows | The Times of Israel
Chimp Intelligence Vs Humans
The Incredible Range of Chimpanzee Behavior - JSTOR Daily
Chimpanzees more likely to share tools, teach skills when task is complex - The Source - Washington University in St. Louis
Oldest non-human stone tools outside Africa found in Brazil
Tools and primates: Opportunity, not necessity, is the mother of invention
Chimpanzee Behavior Isn't Just Monkey Business. It's Culture. | Essay | Zócalo Public Square
Earliest evidence of monkeys' use of stone tools found
Tool Use Comes Naturally to Chimpanzees | Sci.News
Why Chimpanzees Have Not Entered The Stone Age
Tool use by non-humans - Wikipedia
Chimps Use Tools to Excavate Underground Food, Study Says | Sci.News
Chimps Don't Ape Humans – Develop Tools Independently | AnimalWise
Monkeys Provide Clues to How Tool Use Developed - The New York Times
Chimpanzees Learn to Use Tools On Their Own, No Teaching Required | Discover Magazine
Nutcrackers & Whistles: Animals That Use Tools
Chimpanzees more likely to share tools, teach skills when task is complex - The Source - Washington University in St. Louis
