Bernie Kraus is a bio-accoustician who records and studies natural sounds. Check out this KQED story about how he has recorded the same patch of forest in Northern California over time and found dramatic changes in the sounds he hears. You won't believe your ears.
By Garrison Frost
October 23, 2014
HOTSPOT: Flyover of California's Birds and Biodiversity
California is a global biodiversity hotspots, with one of the greatest concentrations of living species on Earth.
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