Endangered Species Law & Policy

On August 22, 2025, the United States Court of Appeals for the D.C. Circuit upheld the decision of the U.S. Fish & Wildlife Service (Service) to deny a petition to remove the southwestern willow flycatcher (Empidonax traillii extimus) from the list of species protected by the Endangered Species Act (ESA). The Service listed the southwestern willow flycatcher as an endangered species in 1995. The southwestern willow flycatcher is a small migratory bird that winters in Central and South America with a range in the United States that includes southern California, southern Nevada ...

On February 28, 2024, the U.S. District Court for the District of Columbia upheld the U.S. Fish and Wildlife Service’s (Service) denial of a petition filed by the New Mexico Cattle Growers’ Association (Cattle Growers) urging the Service to remove the southwestern willow flycatcher (Empidonax traillii extimus) (flycatcher) from the list of endangered species (Petition). The Cattle Growers had argued that the Service’s denial of the Petition, and specifically the agency’s finding that the flycatcher is a valid subspecies of the unlisted willow flycatcher, violated the ...

As 2018 approaches, the U.S. Fish and Wildlife Service (Service) made a few announcements that will likely impact the list of threatened and endangered species.  In these last 11 days of 2017, the Service announced 90-day findings on petitions to list or reclassify five species, and 12-month findings on petitions to list or de-list two species under the ESA.

• On December 20, 2017, the Service announced 90-day findings on petitions for five separate species. The Service found that the petitioned actions for each of the five species may be warranted, based on the information presented in ...