Endangered Species Law & Policy

On September 23, 2014, the U.S. District Court for the District of Columbia invalidated the final rule issued by the U.S. Fish and Wildlife Service (Service) delisting the Wyoming Gray Wolf distinct population segment from the Federal List of Endangered and Threatened Species, concluding that Wyoming's regulatory protections were unenforceable and therefore inadequate for purposes of delisting the species.  Despite this conclusion, the court still affirmed the Service's finding that the species has "recovered" and that it was not "endangered or threatened within a ...

Today, the U.S. Fish and Wildlife Service (USFWS) and National Marine Fisheries Service issued their final interpretation of the phrase "significant portion of its range" for the purposes of applying the Endangered Species Act (ESA).  This phrase plays a key role in the listing and delisting of species, as it appears in the ESA's definition of "endangered species" and "threatened species."  Specifically, under the ESA, an "endangered species" is defined as "any species which is in danger of extinction throughout all or a significant portion of its ...