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Researchers have seen chimpanzees making “music” – that is, inclusive of noise, and throw stones at the trees — and then walked away.
Primatologists from the Max Planck Institute for Evolutionary Anthropology in Germany have carried out a number of their own experiments, and the simulation of the chimpanzees in order to determine whether or not the behavior is a kind of communication, according to the study, which was published on Wednesday in Biology Letters.
The researchers noticed that the chimps have the opportunity to practice combined to throw stones (UK) will not dispose of them in an old type of tree, and they went back to the same type, and time of day. They have seen that the characteristics of the four groups of chimpanzees in Liberia, Guinea-Bissau, Guinea, and côte d’ivoire.
“We predict that the female STAFF of the tree species produce sounds, and the energy is concentrated in the lower frequencies and increased resonance because of the impact of the sounds would be optimal for long-distance communications,” the scientists write in their study.
THE WORLD’S OLDEST FOSSIL TREES HAVE BEEN FOUND IN NEW YORK CITY
The images are shown in the following figure.
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The researchers then used by the algorithms, according to the study, in order to obtain information about three aspects of the tree: the wood is of the internal friction and the hardness of the case section, and the modal response of the tree from the impact.
Ammie Kalan, a primatologist at the Max Planck Institute and co-author of the study said that they did not believe that the chimps were just hooting and throwing stones for the fun of it.
“Play behavior that is a little less structured and a little more impromptu,” she told the Journal Science.
A zoologist from the University of California. Andrews in the united kingdom, who was not involved in the study, Andrew Witter, said that it is significant, it may be that only some chimpanzee to do it-in spite of the abundant number of trees that will be available.
“All of this suggests that the behavior of the local cultural heritage,” he told Science Magazine.