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Scientists ID another possible threat to orcas: pink salmon

Scientists ID another possible threat to orcas: pink salmon

Associated Press - By GENE JOHNSON, Associated Press

SEATTLE (AP) — Over the years, scientists have identified dams, pollution and vessel noise as causes of the troubling decline of the Pacific Northwest's resident killer whales. Now, they may have found a new and more surprising culprit: pink salmon. Four salmon researchers were perusing data on the …

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