Resurrecting the Greenback, Take Two

Fish conservation, in the rural streams of the Western United States, requires a remarkable amount of ongoing human intervention. Take the greenback cutthroat trout, Colorado's state fish. The greenback is bred in labs as part of a delicate effort to restore it to its native habitat. But in the wake of a 30 year conservation misstep, due to mistaken identity, scientists are undecided on the best path forward.

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