Name: San Francisco bird songs during the 2020 shutdowns by Atlas Obscura
Duration: 35 s
Description: Elizabeth Derryberry, associate professor of ecology and evolutionary biology at the University of Tennessee at Knoxville, heard changes in the white-crowned sparrow’s song during the first surge of the coronavirus pandemic in 2020. She captured this recording of birds singing near the Golden Gate Bridge during the widespread shutdowns of the early pandemic.

It's very confusing to try to compare these white-throated sparrow calls during the pandemic with the recording before. We need to know what the baseline decibel levels are for both of them.

@Mary Severinghaus you can SEE the difference.

Dave Bass is correct, but the main difference in the before and after recordings is in pitch: the after-birds are singing a whole step lower.

Elizabeth Derryberry, associate professor of ecology and evolutionary biology at the University of Tennessee at Knoxville, heard changes in the white-crowned sparrow’s song during the first surge of the coronavirus pandemic in 2020. She captured this recording of birds singing near the Golden Gate Bridge during the widespread shutdowns of the early pandemic.

San Francisco bird songs during the 2020 shutdowns

Atlas Obscura

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Mary Severinghaus