Bonobo Apes Capable of Making Spears - and Using Them - Science & Health - Haaretz.com
Oldest non-human stone tools outside Africa found in Brazil
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
Chimp Intelligence Vs Humans
Tool use is 'innate' in chimpanzees but not bonobos, their closest evolutionary relative | University of Cambridge
Chimpanzees have not entered the stone age | University of Tübingen
Great apes can make and use tools, Israeli study shows | The Times of Israel
The extraordinary lengths chimps go for honey | BBC Earth
What do chimpanzees eat? : Jane Goodall
What wild apes and children have in common
Bonobos use a range of tools like stone-age humans | New Scientist
Chimpanzees more likely to share tools, teach skills when task is complex - The Source - Washington University in St. Louis
Chimpanzee - Intelligence, Tool Use, Social Behavior | Britannica
Animal Tool-Use - ScienceDirect
The Incredible Range of Chimpanzee Behavior - JSTOR Daily
The culture of tool use in primates - YouTube
Why Chimpanzees Have Not Entered The Stone Age
Tool use by non-humans - Wikipedia
Tools and primates: Opportunity, not necessity, is the mother of invention
How a Woman Changed the Definition of Man and Asked, 'What is Human?'
Spear-Hunting Chimps - Animal Cognition
Archaeological signatures of chimpanzee perishable technology | Primate Models for Behavioural Evolution Lab
