Drowning in sound: Large ships’ propellers creating underwater din for whales, other marine animals

GULF OF THE FARALLONES NATIONAL MARINE SANCTUARY — As the 45-foot-white catamaran "Kitty Kat" bobbed in the ocean near the Farallon Islands last month, Jackie Dragon dropped a hydrophone overboard to capture the underwater sounds of an oil tanker gliding by a mile to the south.

via www.insidebayarea.com

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