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Violet-green Swallow
ANN ARBOR, MI

Study Led by Defenders of Wildlife Scientist Shows Noise Pollution Impacts on Migratory Birds

“The major takeaway from this study is that anthropogenic noise affects many aspects of bird behavior, with some responses more directly tied to fitness,” said Natalie Madden, lead author of the new study.
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Louisiana Black Bear
Raleigh, N.C.

Defenders Receives Advocacy Organization of the Year Award

Defenders of Wildlife joined its partners in the Safe Passage coalition today to accept the Advocacy Organization of the Year Award at the 2026 Sweethearts
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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

Press Releases

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Sierra Nevada Red Fox
Washington, DC

Interior Finalizes Habitat Definition, Further Undermines the Endangered Species Act

The U.S. Fish and Wildlife Service finalized a rule today that defines habitat under the Endangered Species Act and allows the government to deny critical habitat protections for endangered plants and animals—a change that could open lands and waterways to more energy development and other activities.
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Bison Yellowstone National Park snow storm
Las Animas, CO

10 Bison Arrive in Southeastern Colorado, Marking Start of New Conservation Herd

Last Friday, Southern Plains Land Trust (SPLT), Colorado State University (CSU) and Defenders of Wildlife successfully completed the week-long transfer of 10 bison, marking the beginning of a new conservation herd at SPLT’s Heartland Ranch Nature Preserve in southeastern Colorado. After an adjustment period, the bison will be released into their larger pasture.
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Growling wolverine
Missoula, MT

Conservation Groups Sue Feds Over Failure to Protect Wolverines

A coalition of conservation groups filed a lawsuit today challenging the U.S. Fish and Wildlife Service’s decision to withhold Endangered Species Act protection from wolverines in the lower 48 states, where no more than 300 wolverines remain. Without the new conservation efforts that would be triggered by the Endangered Species Act listing, wolverines face localized extinction as a result of climate change, habitat fragmentation and low genetic diversity.
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This desert bighorn sheep was found east of Las Vegas near Lake Mead in Nevada.

Congress Rejects Legislation that Threatens Desert Refuge

Today’s passage of the National Defense Authorization Act (NDAA) by the U.S. Senate is an important victory for Desert National Wildlife Refuge and the integrity
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Habitat patrol gif
Washington, D.C.

Satellite Images to Reveal Untold Habitat Loss

Protecting and restoring habitat is becoming more critical than ever as the Earth faces unprecedented biodiversity loss. Government authorities, environmental watchdogs, and the public need
Senior Vice President, External Affairs
lsheehan@defenders.org
(202) 772-3244
Communications Director
mdewane@defenders.org
(202) 772-0217
Communications Specialist
jcovey@defenders.org
Former Communications Specialist
Communications Specialist
kirby@defenders.org
(202) 772-3268