Why fish, birds and other animals yawn too, according to an expert

Humans aren't alone when it comes to yawning — all vertebrates do it. But why? An expert explains the likely reason behind this "evolutionarily ancient" act.

  Science/Technology   Dec 28, 2024   0   18  Add to Reading List
Why fish, birds and other animals yawn too, according to an expert

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Humans aren't alone when it comes to yawning — all vertebrates do it. But why? An expert explains the likely reason behind this "evolutionarily ancient" act.
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