The National Oceanic and Atmospheric Administration announced Friday that the 70 dead whales seen this year in the U.S. constitute “an unusual mortality event.”
"amphipods"
Gray whale that swam up Kuskokwim could have been seeking food
Alaskan waters have warmed significantly with climate change, and one result is fewer of these cold-water loving crustaceans to feed gray whales, which sends the inquisitive whales into new habitats looking for food.