Subject: Failed directional hearing adaptation.
Posted on: 2020-05-14 07:45:20 UTC

See, what those long ears are supposed to do is wrap over the head. That means they can channel noise from directly above, as well as off to the sides. The sensitive tips (so much fanfic involves those things being super-sensitive) are intended to directly detect the vibrations when sound hits them, meaning an elf would intuitively know when a sound came from above rather than off to the side.

There are two schools of thought on this: one is that elves originated in caves (see: Drow), and that this evolved to help them listen for potential rockfalls. The other is that it evolved outside, in response to some very large aerial predators.

"The Eagles are coming! The Eagles are coming!"


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