Tool use is 'innate' in chimpanzees but not bonobos, their closest evolutionary relative | University of Cambridge
Chimpanzees more likely to share tools, teach skills when task is complex - The Source - Washington University in St. Louis
Where Do Chimps Learn to Use Tools? Ask Mom. - Big Think
Captive chimpanzees can figure out how to use tools to dig for food •
Wild chimpanzee mothers teach young to use tools, video study confirms - The Source - Washington University in St. Louis
Nutcrackers & Whistles: Animals That Use Tools
Researchers spot apes fashioning advanced tools - CSMonitor.com
Chimps Catch Insects to Put on Wounds. Is It Folk Medicine? - The New York Times
Chimpanzee guide: food, habitat, tool use and more | BBC Wildlife | Discover Wildlife
Chimpanzees Learn to Use Tools On Their Own, No Teaching Required | Discover Magazine
Chimps that use tools for complex tasks pass those skills on - Futurity
Chimp Intelligence Vs Humans
Primate tool-use: Chimpanzees make drinking sticks - BBC News
Gorillas Seen Using Tools In Wild - CBS News
The Incredible Range of Chimpanzee Behavior - JSTOR Daily
What wild apes and children have in common
Chimpanzee Tool Use - YouTube
Monkeys Make Stone "Tools" That Bear a Striking Resemblance to Early Human Artifacts - Scientific American
Why Chimpanzees Have Not Entered The Stone Age
Chimp-made toolkit most complex ever found
Chimps learn tool use from others and may be more similar to humans than first thought, research says | World News | Sky News
Chimps Using Tools | Facts About Chimpanzees | DK Find Out
What do chimpanzees eat? : Jane Goodall
Chimpanzees Are Intelligent Enough To Use Tools Without Getting Help From Others
