Chimpanzees Craft "Dipping Sticks" To Drink Hard To Reach Water - Breaking News, Sports, Entertainment and more
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Chimpanzees Craft "Dipping Sticks" To Drink Hard To Reach Water

The crafty chimps are at it again. Their expansive use of tools means not only have they been found to crack nuts with rocks and fish for algae, they have now been spotted using drinking sticks. While this may conjure up images of apes using straws, the chimpanzees in the Comoé National Park, in the Ivory Coast, actually chew the end of the sticks to make them more absorbent, before dipping them into hollows in trees to get at the collected water.  

This isn’t actually the first time that chimps have been found to craft sponges in order to get at water in tree hollows. Previous observations have seen the apes chewing on a wad of leaves, and then dipping this into a pool to soak up the water, a behavior which has found to be quite widespread. But this is the first time that chimps have been found to systematically do the same thing, only with sticks. The research has been published in the American Journal of Primatology.

They were seen to chew the end of the stick in order to again turn it into an effective absorbent sponge, before dipping it into deep cavities in trees where water had collected. The behavior was displayed by both males and females, young and old, suggesting that the actions of three communities of chimpanzees studied in the Comoé National Park was in fact a cultural behavior, passed on from one generation to the next.

The apes are already known to show a similar action to get a sweet hit of honey from stingless bee nests across Central Africa, but the researchers looking into this water dipping technique found some important differences that set it aside from honey dipping.

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