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30. Invasive Species in the Hudson River Estuary

As bird and fish species recover in a cleaner setting, less desirable new residents are also finding the Hudson to their liking. When transplanted to the fertile environment of the Hudson, exotic and invasive species from other lands often have few predators and spread rapidly. These invading species, which include the water chestnut and zebra mussel, have had major impacts on the ecology of the estuary.

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Water chestnut bed at Beacon
Water chestnut bed at Beacon