en.wikipedia.org/wiki/Orangutan

The orangutans are three extant species of great apes native to Indonesia and Malaysia. Orangutans are currently only ...

orangutan.org/orangutan-facts/orangutan-behavior

In Sumatra wild orangutans use tools to extract seeds from a hard shelled species of fruit. In captivity an orangutan was taught to chip a stone handaxe.

www.wired.com/2012/12/orangutan-learning

Dec 19, 2012 ... Even when they are very young, orangutans may start to form ideas about their world—specifically, how and when to use certain tools.

www.ask.com/youtube?q=orangutans%2C+tools&v=IFACrIx5SZ0
May 18, 2009 ... New David Attenborough series Dynasties coming soon! Watch the first trailer here: https://www.youtube.com/watch?v=JWI1eCbksdE --~-- For ...

onekindplanet.org/animal-behaviour/tool-use/tool-use-in-orangutans

Orangutans have been found to use tools in a number of ways. Orangutans use branches to forage for food, and leaves to modify their calls. They have also ...

www.pbs.org/wnet/nature/orangutans-just-hangin-on-orangutan-tools/2263

Dec 29, 1997 ... ORANGUTAN TOOLS. Orangutans in the wild are using tools. In 1994, Carel van Schaik of Duke University became the first anthropologist to ...

www.sciencedirect.com/science/article/pii/B9780128006481000152

This chapter assesses the nature and role of creativity in orangutans' tool use for arboreal travel and positioning. Tools have been a major focus of research ...

www.sci-news.com/biology/orangutans-hook-tools-06598.html

Nov 12, 2018 ... Orangutans spontaneously make hook tools out of a straight piece of wire, using them to 'fish' for food. Laumer et al show that orangutans can ...

www.nature.com/articles/s41598-018-31331-7

Aug 27, 2018 ... Experiment 1 showed that securing the tool predominately occurred when the orangutan could anticipate the tool's future use, but rarely ...