Striped mongoose speak with a human voice


14/01/2013

Experts from the University of Zurich have analyzed how to "talk" striped mongoose and came to the conclusion that these animals are used for communication monosyllabic cries formed a combination of consonants and vowels, as well as in humans.

Previously it was thought that because of the structural features of the jaws of the stock sounds that animals are able to say, very poor, and those whom it has the greatest diversity, for example, whales and birds, using repetition and various combinations of highly limited number of syllabic units. In this regard, zoologists have been assured that the simple cries of animals such as a greeting or sign of danger are extremely primitive. However, the observation of the mongooses refuted this theory.

The researchers compared the behavior of striped mongoose in their natural habitat with the acoustic characteristics of their sound. Despite the fact that the "call sign" animals very short (50-150 ms), the acoustic characteristics of these animals changes syllables, i.e. at the beginning and end of the audio signal appears differently. Scientists explain that each initial sound signal indicates the animal itself, is a kind of personal signature, and the end points to the occupation mongoose at the moment.

Thus, the Swiss specialists have found that short exclamations striped mongoose is not as simple as they seem. They contain much more information than scientists expected, and thus is difficult structured. Researchers draw an analogy with syllables in the speech of men formed a certain combination of consonants and vowels. Zoologists believe that perhaps not only the mongoose, but also all animals with voice, have a much more developed system of acoustic signals, than previously thought.


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