Endangered Species Act (ESA)

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 granted in part and denied in part conservation groups' motion for summary judgment in a challenge to NMFS' 2019 decision not to list the alewife and blueback herring as…

The Ninth Circuit affirmed summary judgment for FWS in a challenge to its barred owl removal experiment, which was designed to protect the threatened northern spotted owl. Environmental groups…

A district court vacated and remanded FWS’ 2020 rule that removed the gray wolf from the ESA list of endangered and threatened wildlife. Environmental groups argued FWS violated the ESA by failing…

The Fourth Circuit vacated and remanded FWS' biological opinion and incidental take statement for a proposed natural gas pipeline from West Virginia to Virginia. Environmental groups argued…

A district court granted environmental groups' motion for summary judgment in a challenge to FWS' 2019 determination that listing the Yellowstone bison as endangered or threatened under…

A district court granted in part summary judgment for environmental groups in a challenge to FWS' and the Forest Service's decisions regarding a logging and prescribed burning project in…

A district court granted summary judgment for an environmental group in a challenge to FWS' decision not to list the Joshua tree as threatened under the ESA. The group challenged the Service…

A district court granted interim injunctive relief for environmental groups in a lawsuit concerning the Army Corps of Engineers' operation of dams in the Willamette River Basin. The groups…

A district court granted in part and denied in part environmental groups' motion for summary judgment in a challenge to the Forest Service's and FWS' decisions concerning a revised…