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by Igelau 1720 days ago
What's the opposite of a dog whistle?
1 comments
AussieWog93 1720 days ago
I've read that elephants can produce very low frequency sounds (sub-20Hz) that travel long distances and can't be perceived by smaller animals.

"Elephant infrasound" just doesn't quite have the same ring to it as "dog whistle", though.

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noisy_boy 1720 days ago
"Trunk call"?
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