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    Home»Animals»Scientists Find that Naked Mole Rats Speak in Different Dialects
    Naked Molerat Heterocephalus glaber eating - Wikimedia Commons
    Animals

    Scientists Find that Naked Mole Rats Speak in Different Dialects

    Breana CeballosBy Breana CeballosJanuary 29, 20212 Mins Read
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    Scientists have been studying the dialect of mole rats and have discovered that different colonies have different frequencies. The simplest explanation that I can give to that headline is that different naked mole rat colonies have different pitches of chirps and squeaks. A higher sounding voice in a colony that is lower pitched can signal that the mole rat is an outsider and visa versa.

    Alison Barker, a neuroscientist at the Max Delbrück Center for Molecular Medicine in Berlin started the study by having her team record thousands of chirps and sounds made by different mole rat colonies.

    “Naked mole-rats are incredibly cooperative and incredibly vocal, and no one has really looked into how these two features influence one another.”

    Alison Barker

    They were trying to distinguish if the dialects were the result of a learned behavior or something that they inherited. During the experiment they had multiple litters born to different colonies. They took three newborns and swapped them into colonies that were not their original colony. If the newborn continued to squeak in the tone of the previous colony then they would know that this was something that was genetic. Fortunately the newborns showed that it was a learned behavior and they were accepted in the new colony after learning to speak the surrounding dialect.

    Naked Mole Rat Baby – Wikimedia Commons

    Compounding that evidence, they have also found that the Queen rat is responsible for setting the tone. In instances where there is no queen the sounds that the colony made would vary until they found a new one.

    “We tend to think of this communication and cooperation as positive aspects of naked mole-rat culture, but individuals are rigidly controlled in their behavior by the queen. It gives them a huge survival advantage, but it’s a bit like living in an oppressive regime.”

    Alison Barker

    So while this is a learned behavior that tends to keep colonies safer it also kind of erases any sense of individual voice the mole rats could have had. In the long run though I’m sure survival of the colony is much more important than having to memorize different types of voices within it.

    Read more about their findings in this article by Sciencenews.org.

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    Breana Ceballos
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    Anime enthusiast, Hearthstone Battleground addict.

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