Bonobos use a range of tools like stone-age humans | New Scientist
Chimps that use tools for complex tasks pass those skills on - Futurity
Monkeys Make Stone "Tools" That Bear a Striking Resemblance to Early Human Artifacts | Scientific American
Tools and primates: Opportunity, not necessity, is the mother of invention
Chimpanzees Are Intelligent Enough To Use Tools Without Getting Help From Others
Common Chimpanzee Stock Photo - Download Image Now - Work Tool, Chimpanzee, Ape - iStock
What wild apes and children have in common
Why Chimpanzees Have Not Entered The Stone Age
Evolution
Monkeys have used stone tools for hundreds of years - YouTube
Chimpanzees have not entered the stone age | University of Tübingen
6 Remarkable Ways Chimpanzees Use Tools
Chimps Shine Light on Mystery of How the First Humans Used Tools to Dig for Food
Earliest evidence of monkeys' use of stone tools found
Nutcrackers & Whistles: Animals That Use Tools
The culture of tool use in primates - YouTube
Great apes can make and use tools, Israeli study shows | The Times of Israel
Nutcrackers & Whistles: Animals That Use Tools
Tool use is 'innate' in chimpanzees but not bonobos, their closest evolutionary relative | University of Cambridge
Spear-Hunting Chimps - Animal Cognition
Chimpanzees more likely to share tools, teach skills when task is complex - The Source - Washington University in St. Louis
Chimps Use Tools to Excavate Underground Food, Study Says | Sci.News
Captive chimpanzees can figure out how to use tools to dig for food •
Chimps Use Tools to Excavate Underground Food, Study Says | Sci.News
