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 ...

On April 8, 2020 the U.S. Fish and Wildlife Service (Service) announced its next step in conservation of the Monarch butterfly (Danaus plexippus plexippus): finalization of the Nationwide Candidate Conservation Agreement for Monarch Butterfly on Energy and Transportation Lands (Monarch CCAA/CCA). The Monarch CCAA/CCA functions as both a candidate conservation agreement with assurances (CCAA) covering non-federal lands and a candidate conservation agreement (CCA) covering federal lands.

Authorized by Endangered Species Act (ESA) regulations, CCAAs are agreements ...

On March 16, 2018, the U.S. Fish & Wildlife Service (FWS) announced the withdrawal of its 2016 proposed rule to list San Fernando Valley spineflower (Chorizanthe parryi var. fernandina), a southern California plant species, as a threatened species under the Endangered Species Act (ESA).  The spineflower’s conservation has been one component of the long-standing conflict over the development of Newhall Ranch in northern Los Angeles County, since its discovery on the property in 2000.

According to FWS, the spineflower no longer meets the statutory definition of a threatened or ...