Scientists call for breaching dams to save Puget Sound orcas

Researchers who track the endangered population of orcas that frequent Washington state waters said Friday that three whales are missing or believed dead since summer. The most recent death of a 23-year-old female known as J28 and likely her 10-month-old calf drops the current population to 80, among the lowest in decadesBy Phuong Le.

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