Years of research reveal more about iconic orcas

June 25, 2014 5:19 PM

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SEATTLE (AP) — Scientists studying southern resident killer whales for the past decade now know they are among the most contaminated marine mammals, with pollutants particularly high in the youngest whales, according to information released Wednesday.

Biologists with the National Oceanic and Atmospheric Administration summarized a compilation of research findings that reveal the mysterious lives of a small population of endangered killer whales that frequent Puget Sound.

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