ESA Listings


Since 1973, over 2,000 species have been listed as ‘Threatened’ or ‘Endangered’ under the Endangered Species Act (ESA). The Fish and Wildlife Service (FWS) provides a detailed description of the listing process. Here you can explore the number of domestic listed species by year as of early 2018.

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Michael Evans
Senior Conservation Data Scientist

As a Senior Conservation Data Scientist in the Center for Conservation Innovation at Defenders, Mike leads geoinformatics and data science projects to inform and improve conservation.