Transcript for "Examples of Primate Tool Use"
(Prepared by Allison Trodella and Liz Prudente, Psychology of Primates class)
on primate tool use.
"It has often been said that no animal uses any tool; but the chimpanzee in a state of nature cracks a native fruit, somewhat like a walnut, with a stone. "
A lot of primatologists have not done their homework on this topic!
0:12-1:04 Introduction to nutcracking; what it is used for hammer and anvil; the amount of force needed to crack a nut
1:05-2:34 Caloric amount vs. time foraging; wood hammer vs. stone hammer; how many hits/minute that the chimps do
2:35-6:13 Juvenile going through the process of learning to use hammer and anvil. It takes at least 4 years.
6:14-7:27 Chimp fishing for ants and termites with twigs
7:28-9:27 Nutcracking chimps with hammer and anvil
9:28-10:32 Orangutans washing clothes (what are they thinking!)
10:33-12:18 Chimp painting with paintbrush; can fix brush when broken
12:19-15:58 Kanzi using a knife to cut food; using tools to communicate
15:59-18:17 Orangutan (Chantek) figuring out how to open box; tools for problem solving; using tools without being shown how to
18:18-19:52 Tool Use in the Same Room
19:53-23:43 Tricking Them with Tools --; Sherman and Austin pick a lock; using a straw to drink
23:44-25:25 Chimps using tools to get honey
19:53-23:43 Orangutans using rake to get fruit: trial and error and social priming maybe --not mimicking -- compared to a child
30:52-33:19 Using weapons as tools to attack fake leopard and examine it; somewhat bogus narrative on how accurate chimps are throwing.
33:20-34:15 Drinking water using a cap for a cup
34:16-35:20 Using logs as tools to get leaves off of trees
35:21-36:08 Ant fishing
36:09-38:33 Using a stick to fish lettuce out of the moat
38:34-42:43 Using a log to get to leaves above shock wire
42:44-43:31 Using a small stump to jump up into window
43:32-47:09 Chimp finally makes it into tree with log stump
47:08-49:04 Throwing things at fake lion