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A California spotted owl perches on a tree. (Rick Kuyper / USFWS)
Press Release November 19, 2025

Lawsuit Seeks Final Protection for California Spotted Owls

The U.S. Fish and Wildlife Service failed to finalize Endangered Species Act protections for California spotted owls it proposed in 2023

document November 19, 2025

CBD v USFWS: California Spotted Owl

The Center for Biological Diversity, represented by Earthjustice, brings this action under the federal Endangered Species Act to compel the U.S. Fish and Wildlife Service to take the statutorily required action of making a final determination on the proposed listing of two distinct population segments of the California spotted owl occurring in California and Nevada as endangered and threatened species.

A California spotted owl perches on a tree. (Rick Kuyper / USFWS)
From the Experts March 24, 2023

Protecting the Sierra Species

The California spotted owl is the last of four native Sierra Nevada species to receive Endangered Species Act protection in the culmination of a 30-year legal fight.

A California spotted owl in the Stanislaus National Forest.
(Ryan Kalinowski / U.S. Forest Service)
Press Release: Victory February 22, 2023

California Spotted Owl to Get Endangered Species Act Protections After 23 Years

Agreement leads federal agency to implement some safeguards

document February 22, 2023

California Spotted Owl Proposal

The U.S. Fish and Wildlife Service announced that it will protect the California spotted owl under the Endangered Species Act. The owls have seen their numbers dwindle because of logging and climate change, among other threats.

document August 18, 2020

California Spotted Owl: Complaint for Declaratory and Injunctive Relief

Lawsuit Challenges Trump Administration’s Refusal to Protect California Spotted Owl

A California spotted owl in the Stanislaus National Forest.
(Ryan Kalinowski / U.S. Forest Service)
Press Release August 18, 2020

Lawsuit Challenges Trump Administration’s Refusal to Protect California Spotted Owl

Administration denies protections by denying their own scientific assessment

document April 15, 2020

Notice of Violations of the Endangered Species Act with Respect to the Decision that Listing the California Spotted Owl

We are writing on behalf of Sierra Forest Legacy, a project of the Tides Center; Center for Biological Diversity; and Defenders of Wildlife to notify you of violations of Section 4 of the Endangered Species Act (“ESA”), 16 U.S.C. § 1533, by the U.S. Fish and Wildlife Service (“Service”) in determining that listing the California spotted owl under the ESA is not warranted. See 84 Fed. Reg. 60371 (Nov. 8, 2019). This letter is provided pursuant to the sixty-day notice requirement of the citizen suit provision of the ESA, 16 U.S.C. § 1540(g).

A California spotted owl in the Stanislaus National Forest.
(Ryan Kalinowski / U.S. Forest Service)
Press Release April 15, 2020

Lawsuit Launched to Overturn Trump Administration’s Denial of Protection for California Spotted Owl

Conservation groups file a formal notice of intent to sue the U.S. Fish and Wildlife Service over its failure to protect the endangered owl

A California spotted owl in the Stanislaus National Forest.
(Ryan Kalinowski / U.S. Forest Service)
case May 11, 2004

Saving the California Spotted Owl

The California spotted owl, a cousin of its more famous cousin, the northern spotted owl, has declined in numbers as logging has accelerated in the national forests of southern California and the Sierra Nevada. Earthjustice brought a series of lawsuits aimed at forcing the U.S. Forest Service to adopt meaningful protections for the owl’s old…

Press Release May 11, 2004

Conservation Groups Sue to Protect California Spotted Owl

Bush administration increases logging and ignores science