August 20, 2015
A mysterious die-off of large whales in the Gulf of Alaska is now classified as an “unusual mortality event,” elevating the official response, the National Oceanic and Atmospheric Administration said Thursday.
The deaths were first discovered in late May, when carcasses of endangered fin whales were found floating near Kodiak. Since then, the toll has increased, and now totals 30 whales -- 11 fin whales, 14 humpbacks, one gray whale and four unidentified cetaceans, NOAA said Thursday.
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