Four gray whales have been found dead in California's Bay Area within eight days
San Francisco Bay Area, California, United States
Apr 1, 2021
The carcasses of four gray whales have been found around the San Francisco Bay Area in eight days -- an alarming string of deaths that constitutes an unusual mortality event, defined by the National Oceanic and Atmospheric Administration (NOAA) as a significant die-off of a marine species.
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