The D.C. Circuit affirmed dismissal of a challenge to two FWS rules that delayed a 2021 proposed rule to reduce the amount of land in the Pacific Northwest designated as critical habitat for the…

A district court granted environmental groups' motion for summary judgment in a challenge to FWS' decision not to designate critical habitat for the rusty patched bumble bee. The groups…

The Ninth Circuit affirmed vacatur of FWS' designation of an area in the northern Santa Rita Mountains as occupied critical habitat for jaguar. An environmental group initially sued FWS,…

A district court dismissed a challenge to FWS rules delaying the effective date of a January 2021 rule that designated portions of Washington, Oregon, and California as critical habitat for the…

The Tenth Circuit affirmed dismissal of ranching groups' challenge to FWS' designation of critical habitat for the endangered New Mexico meadow jumping mouse. The groups argued FWS…

A district court dismissed a challenge to FWS' designation of critical habitat for the New Mexico meadow jumping mouse. Southwestern ranchers argued that the Service underestimated the…

The Tenth Circuit reversed and remanded a district court ruling upholding FWS' designation of critical habitat for the endangered jaguar. Ranching groups challenged the designation because it…

A district court dismissed a lawsuit brought by California farming and ranching groups challenging FWS' designation of 1.8 million acres of critical habitat for two endangered yellow-legged…

A district court denied Colorado's and Utah's request to vacate FWS' decision to list the Gunnison sage grouse species as threatened under the ESA. The states argued that many of…

A district court vacated FWS' designation of land in California as critical habitat for the endangered Riverside fairy shrimp. Property owners argued that the agency improperly designated 56…