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Resource ID: #17628
Discover investigates why "killer whales that live near Seattle are dying too soon and too often." The report reveals that "there are three proposed culprits" causing the spate of premature deaths - "boat traffic,... reductions in certain preferred prey species ... [and] pollution." The story sheds light on a scientific finding that some whales are "carrying staggering concentrations of polychlorinated biphenyls (PCBs), long lived industrial compounds that accumulate in fat and have been linked to cancer..." The author suggests that listing the killer whales under the Endangered Species Act can reduce some of the human-induce threats, but not the pollution.
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