Bonobos use a range of tools like stone-age humans | New Scientist
Great apes can make and use tools, Israeli study shows | The Times of Israel
Tool-using gorillas intrigue scientists
Monkeys Provide Clues to How Tool Use Developed - The New York Times
Tool Use Comes Naturally to Chimpanzees | Sci.News
Chimpanzees more likely to share tools, teach skills when task is complex - The Source - Washington University in St. Louis
Chimps pack specialized tool kits, scientists say
Nutcrackers & Whistles: Animals That Use Tools
Chimpanzees Are Intelligent Enough To Use Tools Without Getting Help From Others
Tool use by non-humans - Wikipedia
How a Woman Changed the Definition of Man and Asked, 'What is Human?'
Chimpanzee using stick as tool - Stock Image - Z912/0111 - Science Photo Library
Earliest evidence of monkeys' use of stone tools found
Captive chimpanzees can figure out how to use tools to dig for food •
Oldest non-human stone tools outside Africa found in Brazil
Chimps Shine Light on Mystery of How the First Humans Used Tools to Dig for Food
What wild apes and children have in common
Chimpanzees Learn to Use Tools On Their Own, No Teaching Required | Discover Magazine
Why Chimpanzees Have Not Entered The Stone Age
Chimpanzee - Intelligence, Tool Use, Social Behavior | Britannica
Chimps Don't Ape Humans – Develop Tools Independently | AnimalWise
Nutcrackers & Whistles: Animals That Use Tools
Chimpanzee Behavior Isn't Just Monkey Business. It's Culture. | Essay | Zócalo Public Square
