Forum > Birds In The News > These Tropical Hummingbirds Make Cricket-like Sounds Other Birds Can't Hear

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Webmaster Posted 05-Mar-2018 13:06
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From Science Daily on 05-Mar-2018 13:06

Researchers have found that a tropical species of hummingbird called a black jacobin makes vocal sounds with an unusually high-frequency pitch that falls outside birds' normal hearing range. It's not yet clear whether the hummingbirds can even hear themselves, the researchers say.


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