TIL almost all vertebrates yawn. Mammals, birds, reptiles, amphibians, and even fish all share this trait.
TIL almost all vertebrates yawn. Mammals, birds, reptiles, amphibians, and even fish all share this trait.
This is an automated archive made by the Lemmit Bot.
The original was posted on /r/todayilearned by /u/ElectricZ on 2024-08-30 04:45:45+00:00.
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Who else yawned when you saw this post
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