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Microphones Unlock Mystery As To Why Hummingbirds Hum

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AnonymousAnonymous
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11 Apr 2021, 2:02 pm

https://www.goodnewsnetwork.org/how-hummingbirds-hum-could-make-drones-quieter/


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Fnord
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11 Apr 2021, 3:35 pm

Why do hummingbird hum?

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Because they do not know the words, of course!


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