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Remote camera image of a wolf pups taken during the summer of 2025. (Courtesy of Colorado Parks and Wildlife)
Article July 7, 2026

Colorado’s Wolf Pups are Leading the Species’ Recovery. The Government Wants to Undermine It

Under pressure from anti-wolf groups, the Trump administration has opposed the state's ongoing wolf reintroduction program.
document June 5, 2026

Colorado Wolves Comment Letter

Conservation organizations submitted comments in response to the U.S. Fish and Wildlife Service’s request for information on the implementation of the Endangered Species Act 10(j) rule for gray wolves in…
A gray wolf walking in snow taken in Yellowstone National Park. (Stan Tekiela / Getty Images)
Article July 31, 2026

How Trump and Congress Are Attacking the Endangered Species Act – and What You Can Do

Extractive industries that have long despised the ESA now have powerful allies. We’re fighting back.
As the gray wolf’s reintroduction has illustrated, healthy ecosystems are interconnected, holistic entities requiring rich biodiversity, including the presence of apex predators such as wolves. (National Park Service Photo)
Press Release December 18, 2025

Earthjustice Responds to House Vote to Strip Gray Wolves of Endangered Species Act Protections

Legislation puts gray wolf recovery in jeopardy and defies science
A gray wolf runs after being released on public lands by the Colorado Parks and Wildlife Commission on December 19, 2023. (Jerry Neal / CPW)
Press Release October 22, 2025

Legal Organizations: Colorado on Solid Footing to Release Wolves from Canada

10(j) rule identified one possible source of wolves, not a mandated population
Grizzly bear near Swan Lake in Yellowstone National Park. (Neal Herbert / NPS)
Update July 28, 2026

The Trump Administration Proposes Handing Grizzly Management to States Hostile to the Bears

Under the proposed rule, states would gain significant new authority to relocate or kill grizzly bears.
Grizzly bear in Yellowstone National Park, May 19, 2020. (Jim Peaco / NPS)
feature July 14, 2026

Defending the Grizzly Bear

Science shows that true recovery of grizzly bears requires a unified population with connected ecosystems.
A lone wolf howls across hills and valleys in the upper Midwest. (Jerry & Barb Jividen / Getty Images)
Press Release January 8, 2025

Colorado Rejects Livestock Industry Attempt to Stop Wolf Reintroduction

Livestock groups’ concerns and requested management changes were already addressed
Press Release October 29, 2020

Gray Wolf Stripped of Federal Protections

Fish and Wildlife Service removes the gray wolf from the Endangered Species Act, halting wolf recovery
A wolf howls on glacial erratic in Little America Flats, Yellowstone National Park. (Jim Peaco / NPS)
feature October 2, 2015

The Endangered Species Act Under Fire

The success and significance of the Endangered Species Act, and Earthjustice’s efforts to safeguard the visionary law from impending threats in Congress, in a discussion with Legislative Counsel Marjorie Mulhall…
Canoeing the Boundary Waters Canoe Area Wilderness in Northern Minnesota. (Brad Zweerink / Earthjustice)
feature June 29, 2026

Program Report: Summer 2026

By wielding the full force of the law, the public, and politics, Earthjustice will defend our natural world and advance our vision of a thriving, safe future for all. Your…
A gray wolf howls in the woods of the the upper Midwest. (Jerry & Barb Jividen / Getty Images)
Press Release December 18, 2024

On Anniversary of Reintroduction, Colorado Urged to Proceed with 2025 Wolf Releases

Conservation groups ask Colorado Parks and Wildlife Commission to reject livestock industry petition
A wolf at Yellowstone National Park. (Jacob W. Frank / National Park Service)
Update April 2, 2026

We Won Back Endangered Species Act Protections the First Trump Admin Attacked

The ruling derails the current administration’s efforts to further undermine the landmark conservation law.
Press Release March 25, 2025

Endangered Species Coalition Responds to Republican-led Congressional Attacks on Endangered Species Act and Gray Wolves

Groups express wide opposition to proposed legislation
A wolf in the Firehole area of Yellowstone National Park. (Jim Peaco / National Park Service)
From the Experts March 17, 2022

A New Vision for Wolf Conservation After 150 Years of Yellowstone

Emergency protections are needed for the gray wolf after the Northern Rockies sees the worst persecution of wolves in a century.
Press Release: Victory February 10, 2022

Gray Wolves Regain Federal Endangered Species Act Protections

Court decision will prevent hunting, poisoning, and trapping in 44 states
(Steve Geer / Getty Images)
From the Experts April 30, 2024

Congress is Trying to Weaken the Endangered Species Act. Again.

A new bill to remove ESA protections needed for wolves and grizzly bears has been proposed.
Two wolves in the winter forest. (Kjekol / Getty Images)
Press Release August 28, 2025

Anti-Wolf Ballot Measure Drive Fails to Gather Enough Signatures in Colorado

Ballot measure deadline passes ensuring reintroduction can continue