Threatened and Endangered Species by County

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This layer displays the number of threatened and endangered species in each county. Additional layers are available for the type of species, such as plants, animals, invertebrates, and more!

National Wetlands Inventory (NWI), 2018

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The National Wetlands Inventory (NWI) provides detailed information on the characteristics and distribution of wetlands in the United States. This update incorporates many changes, including the representation of wetland areas for intermittent streams.