Diminutive Desert Owl Makes Big Waves
Diminutive Desert Owl Makes Big Waves

On December 22, 2021, the U.S. Fish and Wildlife Service (Service) proposed to list the cactus ferruginous pygmy owl (Glaucidium brasilianum cactorum) (Owl) as threatened under the Endangered Species Act (ESA) primarily due to threats from climate change and habitat loss and fragmentation. The Service has also proposed to issue an ESA section 4(d) rule which would prohibit “take” of the Owl in most cases, while exempting from the prohibition certain land management activities compatible with restoration and improvement of Owl habitat where such activities have been approved by the Service prior to commencement. The Owl’s range includes parts of Mexico, southern Arizona and southern Texas.

The Arizona distinct population segment of the Owl was listed as an endangered species in 1997, but was de-listed following the ruling of the United States Court of Appeals for the Ninth Circuit in National Association of Homebuilders v. Norton, 340 F.3d 835 (9th Cir. 2003), in which that court held the Service acted arbitrarily and capriciously in designating the distinct population segment.

In 2007, the Center for Biological Diversity and Defenders of Wildlife (collectively, Center) petitioned the Service to list the species once again. The Center later sued the Service over the agency’s 12-month finding that listing the Owl was not warranted. Ultimately, the Center and Service settled the lawsuit and the Service agreed that it would submit a new 12-month finding to the Federal Register.

Comments on the proposed listing and 4(d) rules are due on or before February 22, 2022.

  • Rebecca Hays Barho
    Partner

    Rebecca Hays Barho focuses her practice on natural resource law, with particular emphasis on the Endangered Species Act (ESA), the National Environmental Policy Act (NEPA), the Migratory Bird Treaty Act (MBTA), the Clean Water Act ...

Nossaman’s Endangered Species Law & Policy blog focuses on news, events, and policies affecting endangered species issues in California and throughout the United States. Topics include listing and critical habitat decisions, conservation and recovery planning, inter-agency consultation, and related developments in law, policy, and science. We also inform readers about regulatory and legislative developments, as well as key court decisions.

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