Primate tool-use: Chimpanzees make drinking sticks - BBC News
Chimpanzee - Intelligence, Tool Use, Social Behavior | Britannica
Chimpanzee Tool Use - YouTube
Chimpanzee - Intelligence, Tool Use, Social Behavior | Britannica
Chimps that use tools for complex tasks pass those skills on - Futurity
Chimps pass on gadget use like humans
Chimps Shine Light on Mystery of How the First Humans Used Tools to Dig for Food
Chimps' New Playground - Project Chimps
Captive chimpanzees can figure out how to use tools to dig for food •
Common Chimpanzee Stock Photo - Download Image Now - Chimpanzee, Work Tool, Common Chimpanzee - iStock
Chimpanzees need teachers to learn tool-use - Scimex
Women are better at DIY (in chimps at least): Female primates can master and use tools more easily than males | Daily Mail Online
6 Remarkable Ways Chimpanzees Use Tools
Chimpanzees Learn to Use Tools On Their Own, No Teaching Required | Discover Magazine
Evolution
What do chimpanzees eat? : Jane Goodall
Chimpanzee using stick as tool - Stock Image - Z912/0111 - Science Photo Library
How a Woman Changed the Definition of Man and Asked, 'What is Human?'
Chimps learn tool use from others and may be more similar to humans than first thought, research says | World News | Sky News
Chimpanzee Behavior Isn't Just Monkey Business. It's Culture. | Essay | Zócalo Public Square
Chimps Apply Insects to Their Wounds | Scientific American
The Incredible Range of Chimpanzee Behavior - JSTOR Daily
Tool use is 'innate' in chimpanzees but not bonobos, their closest evolutionary relative | University of Cambridge
Researchers identify a variety of chimpanzee stone tools for cracking different nut species
