Orca quandary: Other protected species are eating their food in Puget Sound

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Booming populations of seals, sea lions and other marine mammals are eating so much chinook salmon, they may pose a bigger challenge to the survival of hungry local orca whales than fishermen do, a new study has found.The findings also helped researchers quantify yet another pressure on protected chinook- salmon runs: the voracious appetites of recovering populations of predators.