Vocal sample -- the song of the tree hyrax. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of ...
Maddie Bender: This is Scientific American 60-Second Science. I’m Maddie Bender. Take a walk in the woods after dark, and you might hear crickets chirping or frogs ribbiting. But there’s a sound you ...
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