ESA Five-year Reviews

Overview of the timeliness and completeness of 5-year reviews.


The U.S. Endangered Species Act requires a review of the status of listed species once every five years. Because of budget and personnel constraints, these five-year reviews are often behind schedule. This is a simple tool to view the timeliness of five-year reviews. We scrape the U.S. Fish and Wildlife Service’s ECOS website every night to get up-to-date information on posted five-year reviews, and present quick summaries in graphical and tabular format.


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