Baboons have also had vowels

The other vowels are "aw" sound, an "ih" sound and an "uh," which make up the basis of the baboon language.
By Vicky Webb | Jan 13, 2017
For a long time, scientists believed that humans were the only animals able to create vowel sounds. They attributed this to the low-lying lynx at the back of the mouth.

But after scientists studied over 1300 baboons they found out that this theory is not correct. They noticed that the baboons had distinct sounds that closely resemble the human vowels.

The most common baboon vowel is the "ooo" which scientists claim to be the most common vowel in their language much like the "e" in the human language.

The other vowels are "aw" sound, an "ih" sound and an "uh, " which make up the basis of the baboon language.

Scientist now understands that though the baboon lynx is lower down the throat, they are also able to manipulate their mouth muscles in a very similar fashion to the human mouth.

"The previous hypothesis [of requiring a low larynx to produce vowel sounds] meant there was a hard boundary before which nothing significant could have evolved for speech," Sawallis the top researcher said. "We have shown that you can get five different vowel-like sounds from monkeys. So, we infer that there was a vowel-production, seed that was available in our last common ancestor with baboons."

Human speech is almost 400,000 years old. It originated from Africa. However, scientists believe that the baboon language is only 100,000 years old and is still developing. Like humans, baboons from each location have a different dialect from their compatriots and cannot communicate.

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