Do Those Birds Sound Louder To You? An Ornithologist Says You're Just Hearing Things
Think of how it works in a noisy bar: people raise their voices to be heard. Same for birds. With less background noise outside these days, it's likely that birds are actually singing more quietly.
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Làm đẹp Blog 247 May 6, 2020 at 04:04PM
Category Health & Science
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