Tool-Using Orangutans Learn Like Humans | WIRED
Orangutans instinctively know how to use hammers and do not need to be taught, study reveals | Daily Mail Online
Bio 342 Fall 06
An Orangutan Learns to Fish | The New Yorker
Insights from orangutans into the evolution of tool use
Sumatran orangutan tool use Stock Photo - Alamy
Orangutan from Borneo photographed using a spear tool to fish – Primatology.net
Test Your Orangutan IQ! | The Nature Conservancy Hong Kong
Orangutan Genome Sequenced | National Institutes of Health (NIH)
Orangutan Facts — Orangutan Foundation
Orangutans have the cognitive ability to make and use stone tools • Earth.com
Orangutans Make Tools Better Than Kids, Study Finds
Clever orangutans invent nutcrackers from scratch
Orangutan - Louisville Zoo
Intelligence and Innovation - Orang Utan Republik Foundation
Orangutan guide: species facts, diet and best places to see - Discover Wildlife
Orangutan Foundation International on X: "#Orangutans have high cognitive abilities comparable to other #greatapes like #chimpanzees & #gorillas. This intelligence manifests itself in tool-use & even the making of simple tools in
Orangutans can learn how to use stone tools as hammers and knives | New Scientist
Orangutan Hats and Other Tools Animals Use - Haynes, Richard: 9781536200935 - AbeBooks
Orangutans Have a Big Idea | Science | AAAS
These Orangutans Got Suspiciously Close to Inventing Stone Tools
Watch: This wild orangutan worked out how to use a carpentry tool she had never even seen before
Inventive Orangutans Make Hook Tools to Retrieve Food | Sci.News
