Did you know hippopotamuses know each other based on their sound?
Studies have shown that hippopotamuses have a way of communicating with each other using sound which helps them differentiate themselves from other animals.
In a study published in the journal
Current Biology, it was found that hippopotamuses with cognitive abilities
heard the sounds of others.
Although hippopotamuses are
more common in groups, they are less likely to associate with people and are
more commonly known as very wild animals.
The study was conducted
using a variety of sounds from groups of hippos, and the authors of animal
studies have shown that they have different ways of differentiating their
sounds.
For example, when the
hippopotamus in the same group heard the voice of the other one in the same group,
it shout out loudly.
Professor Nicolas Mathevon,
a researcher at the University of Lyon Saint-Etienne, said it was important for
animal voices to be identified because they are one of the most effective ways
to communicate with each other and help them to better understand their lives.
"When we played the
voices of the wrong group, there were about two hippopotamuses approaching the
place where the voices came from, indicating anger and wildness, which meant
that they knew that the voices were not one of them," he said.
Such behavior was not
evident when their own voices were played.
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| Hippopotamuses know each other based on their sound |
Writer: Christian Mugisha

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