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Oregon State University
Ships and blue whales on a collision course off California coast
Ships and blue whales on a collision course off California coast

Blue whales cluster for long periods in the busy shipping lanes off the California coast, according to a new study that raises concern about collisions between vessels and the endangered animals. “It’s an unhappy coincidence,” said Ladd Irvine, a marine mammal ecologist at Oregon State University who led the study published Wednesday in the journal Plos One. “The blue whales need to find the densest food supply. There’s a limited number of those dense places, and it seems as though two of the main regular spots are crossed by the shipping lanes.” Irvine and his colleagues used satellites to track 171 tagged blue whales over 15 years. They produced...

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