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Missy with tool termite mound

Tool Use and the Termite Mound

August 16, 2013 by J.B.

web Missy tool use treat rock peanut butter sticks youngs hill IMG_0052

Jane Goodall’s research was ground-breaking in many ways, but one of her most important discoveries was that chimpanzees possess the ability to use tools. At the time, it was thought that tool use was a defining characteristic of the human species. But shortly after she began studying the chimpanzees of Gombe, Dr. Jane saw them using sticks to fish termites out of their nests. When she reported her findings to her mentor, Louis Leakey, he famously wrote, “Now we must redefine tool, redefine Man, or accept chimpanzees as humans.”

Over the last 50 years, primatologists have discovered that the use of tools to “fish” for termites and ants is even more complex than had originally been thought. Chimpanzees have been observed bringing “tool kits,” containing a variety of tools for different purposes, to the nests. For example, some tools are used specifically to perforate the nests of army ants. Breaking nests open by hand tends to result in an aggressive counter-attack by the ants, and may even cause them to relocate the nest. Using the perforating tool results in a less painful experience and allows for the harvesting of the ants to be sustainable. Other tools are used specifically for dipping into the nest, and their size and shape, as well as the technique for ingesting the insects once they are caught, are influenced by the behavior of the insects being harvested. And all of these techniques are influenced by culture, which is to say that they are learned and not determined by genetics and environment alone. They differ from community to community, as each community has its own set of knowledge and traditions.

When we built Young’s Hill, the Young’s provided the funds for us to build an artificial termite mound. The mound is actually hollow and consists of concrete laid over a rebar framework. Stainless steel tubes protrude through the concrete, and we can climb in and attach PVC tubes filled with food treats on the inside. The mound also protects critical irrigation components for the bamboo groves.

Most captive chimpanzees, having been raised outside of the cultures found in free-living communities, do not consider insects to be food. So we stick with what they enjoy – in this case, frozen banana mixed with peanut butter and almond milk.

If you’re impressed with Jamie’s tool-using abilities, vote for her in the Humane Society of the United States’ chimpanzee art contest.

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Reader Interactions

Comments

  1. Lino says

    August 17, 2013 at 5:13 am

    Since you mentioned almond milk, can adult chimps drink milk?

    • J.B. says

      August 17, 2013 at 8:27 am

      No. In general, adult chimpanzees shouldn’t be given any significant amounts of dairy. Chimpanzees, like most humans and all other mammals, lose the ability to digest lactose after weaning. As you probably know, some cultured dairy products are easier to digest than milk, but we don’t see any reason to give the chimps anything that might upset their stomachs, especially when there are so many other foods to choose from.

  2. Denice says

    August 17, 2013 at 8:04 am

    Jamie get s 10 in tool use. Poor B just can’t catch a break, just minding his own business he still gets thumped.

  3. Dawn says

    August 18, 2013 at 1:11 pm

    I’ve been wondering how you guys fill the “termite mound” with the nutritious mix? Is it in some container that sits beneath the outer opening?

    Jamie might find it’s not the end of the world to show a little generosity there! Oh well, Mr. B. might find some time when Jamie’s grooving over a boot to just get into the mound mix!

    • J.B. says

      August 18, 2013 at 7:32 pm

      Yes, the food is put into a PVC tube with a cap on the end, and the tube is then screwed onto a steel tube that is built in to the mound. There is actually a door on the back of the mound, so we can crawl right in there and attach the PVC tubes from the inside. Someday I’ll post a photo showing the inside of the mound.

  4. Kerri says

    August 18, 2013 at 5:20 pm

    I have seen, depending on the culture, community, and traditions ( I think), that there is a difference in the way they retrieve the termites from the stick once they fish them out.

    I love at 2:45 where Jamie has a “hunch” that Burrito is near, so she lays down her stick, goes around to check, picks up another, and WHACKS him with it. HA ha ha, thats our girl.

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