Endangered Species Law & Policy

On May 19, 2022, the Center for Biological Diversity (CBD) filed a lawsuit in the U.S. District Court for the District of New Mexico, challenging the U.S. Fish and Wildlife Service’s (Service) failure to make a timely 12-month finding on the group’s petition to list the dunes sagebrush lizard (Sceloporus arenicolus) (DSL), which was submitted to the agency in 2018.

The DSL is no stranger to controversy. In 2002, CBD and others petitioned the Service to list the DSL due to alleged threats to the species’ habitat caused by oil and gas production. In 2004, the Service determined that ...

The U.S. District Court for the District of New Mexico granted New Mexico’s motion for summary judgment in a case brought by the Humane Society seeking to invalidate State trapping regulations related to cougars (Puma concolor).  Plaintiffs argued that the regulations, which amended existing regulations that authorize trapping of cougars, violate the Endangered Species Act’s prohibition on take of protected species.  Plaintiffs reasoned that the amended regulations would inevitably cause the take of listed Mexican wolves (Canis lupus baileyi) since cougars and wolves ...