The D.C. Circuit affirmed summary judgment for FWS in a challenge to its rejection of a petition to remove the southwestern willow flycatcher from the list of endangered subspecies. A group of…

A district court granted in part and denied in part summary judgment for property owners in a challenge to FWS' 2020 final rule designating ESA critical habitat for the black pinesnake.…

A district court granted FWS' motion to vacate and remand its 2022 rule listing the northern distinct population segment (DPS) lesser prairie-chicken as threatened and the southern DPS of the…

A district court ruled for environmental groups in a challenge to FWS' 2024 finding that listing a distinct population segment (DPS) of gray wolves in the western United States under the ESA…

The D.C. Circuit affirmed dismissal of a challenge to an FWS rule downlisting the American burying beetle from endangered to threatened and to its ESA §4(d) rule establishing protections for…

A district court denied environmental groups' motion for a preliminary injunction in a challenge to the Forest Service's and FWS' approval of a logging project in Flathead National…

A district court granted in part and denied in part environmental groups' motion for summary judgment in a challenge to the Army Corps of Engineers' and FWS' permitting of a…

A district court granted summary judgment for environmental groups in a challenge to FWS' decision not to designate critical habitat for the eastern black rail. The groups argued the…

In an unpublished opinion, the Ninth Circuit affirmed summary judgment for NMFS in Alaska's challenge to the Service's negative 90-day finding on the state's petition to delist the…

A district court granted in part environmental groups' motion for summary judgment in a lawsuit concerning their 2017 petition to FWS to revise the critical habitat for the endangered Mount…