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Endangered Species Act (ESA)

Phoenix Herpetological Society v. United States Fish and Wildlife Service

The D.C. Circuit affirmed summary judgment for FWS in a lawsuit concerning its denial of a nonprofit group's permit applications to export four blue iguanas to a Danish zoo and to continue a captive-bred wildlife program at its Arizona...

Center for Biological Diversity v. Haaland

The Ninth Circuit reversed summary judgment for FWS in a challenge to the Service's 2017 decision reversing its 2011 decision that the Pacific walrus qualified for listing under the ESA. An environmental group had argued the Service...

Endangered Species at Sea: Applying the ESA to Maritime Jurisdictions

Although some species fall solely within the jurisdiction of one country, it is common for species to fall outside of one state’s exclusive control. The United States protects endangered species in its territory and in international...

Center for Biological Diversity v. Haaland

In an unpublished opinion, the D.C. Circuit affirmed dismissal of a challenge to FWS' failure to provide notice and comment on its guidelines for creating species status assessments. An environmental group had argued that FWS violated...

Friends of Animals v. Haaland

The Ninth Circuit reversed summary judgment for FWS in a challenge to the Service's rule requiring that affected states receive a 30-day notice of intent to file a petition to list an endangered species. An environmental group argued...

The Klamath Tribes v. United States Bureau of Reclamation

A district court denied a Native American tribe's request to limit water releases from the Upper Klamath Lake to protect two endangered sucker fish species. The tribe argued that the Bureau of Reclamation's plan to regulate water in the...

Center for Biological Diversity v. Bernhardt

A district court granted in part and denied in part BLM's and FWS' motion to dismiss a lawsuit over an environmental group's petition to list a rare wildflower species in Nevada as endangered. The group first argued FWS unreasonably...

Ksanka Kupaqa Xa’ⱡȼin v. United States Fish and Wildlife Service

A district court vacated and remanded FWS' and the Forest Service's approval of the first phase of a proposed copper and silver mine beneath the Cabinet Mountains Wilderness. Tribal and environmental groups argued the agencies violated...

Center for Biological Diversity v. Haaland

A district court granted an environmental group's motion for summary judgment in a challenge to FWS' withdrawal of a rule proposed in 2015 to list the Lower Colorado River (LCR) Basin roundtail chub as a threatened species. The group...

Cook Inletkeeper v. Raimondo

A district court granted in part and denied in part environmental groups' motion for summary judgment in a challenge to incidental take regulations promulgated by NMFS that authorized certain oil and gas exploration and production...

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