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The National Park Service says nonnative fish threaten the resources of native aquatic animals like the Yellowstone cutthroat trout.
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Yellowstone National Park says it’s making progress reducing the number of non-native lake trout. Park and contract crews caught and killed over 280,000…
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Yellowstone National Park has been working for over a decade to protect one of the last genetically pure Yellowstone cutthroat trout populations in the…