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Piping Plover
Washington, D.C.

Defenders Sends Notice of Intent to Sue the Trump Administration over Rescission of ‘Harm’

Defenders of Wildlife today sent a letter to the Department of Interior and the Department of Commerce signaling its intent to sue over the administration’s rescission of the long-standing definition of “harm” under the Endangered Species Act.
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Pygmy Rabbit
Washington, D.C.

Defenders of Wildlife Raises Concerns Over Proposed BLM Rule That Would Roll Back Land Health and Grazing Safeguards

Defenders of Wildlife today submitted comments on the Bureau of Land Management’s proposed livestock grazing regulations, urging that healthy public lands and robust public participation in land management must be a priority.
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Single manatee under water  swimming in the hot springs sanctuary in Florida
Washington, D.C.

Trump Administration Rescinds ‘Harm’ Definition, Defenders Prepares for Court

In a devastating blow to wildlife, the Trump administration today formally rescinded the regulatory definition of “harm” under the Endangered Species Act, eliminating the long-standing legal interpretation that habitat destruction that leads to death or injury of protected species is illegal.

Press Releases

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Two North Atlantic Right Whales
Washington, D.C.

Defenders Raises Alarm Over Administration’s Proposal to Amend Rule Protecting North Atlantic Right Whales From Deadly Vessel Strikes

Defenders of Wildlife is devastated to learn that a three-year-old female North Atlantic right whale was found dead off Virginia on February 10, 2026. This
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Bison in field
Billings, Mont.

Defenders Stands Against Rejection of Bison Grazing Lands

Defenders of Wildlife is joining conservation group American Prairie in protesting a proposal by the Bureau of Land Management to revoke a decision allowing bison
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Mother and baby sperm whale swimming just below the surface.
Washington, DC

Defenders Hails Bill Promising Tools to Protect Whales

On Tuesday, Feb. 3, Congresswoman Doris Matsui (D-CA) introduced the Whale CHARTS (Conservation Habitat Analysis, Research, and Technical Strategies) Act that proposes new tools to
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Gray Wolf in the Snow
Denver, CO

Colorado Announces No Wolf Release This Winter

Colorado Parks and Wildlife announced today that it will not be translocating additional gray wolves this winter season, and will instead begin to plan for
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Sierra Weaver , VP of conservation law
WASHNGTON, DC

Defenders of Wildlife Announces Sierra Weaver as New Vice President of Conservation Law

Defenders of Wildlife is proud to announce Sierra Weaver as its new vice president of conservation law and director of the Biodiversity Law Center.
Senior Vice President, External Affairs
lsheehan@defenders.org
(202) 772-3244
Communications Director
mdewane@defenders.org
(202) 772-0217
Communications Specialist
jcovey@defenders.org
Communications Specialist
kirby@defenders.org
(202) 772-3268
Communications Specialist
estern@defenders.org
202-772-0243