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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

Western Governors Split on Legislating on the Endangered Species Act

WASHINGTON (June 28, 2017) – The Western Governors’ Association today issued recommendations to change the Endangered Species Act (ESA) at their annual meeting in Whitefish

Izembek Bill Threatens Wildlife and Public Lands Protections

WASHINGTON (June 27, 2017) – Today the House Natural Resources Committee voted to advance H.R. 218, the “King Cove Road Land Exchange Act,” a bill

Yellowstone Grizzly Bears ‘Delisted’ from Endangered Species List

WASHINGTON (June 22, 2017) – Today, the U.S. Fish and Wildlife Service announced the formal removal of Endangered Species Act (ESA) protections for grizzly bears

New Study Provides Framework to Maintain and Protect Military Mission and Environment in California Desert

Media contact: Catalina Tresky: ctresky@defenders.org or (202) 772-0253 WASHINGTON (June 12, 2017) – Today, The Sonoran Institute released “ Evaluating Encroachment Pressures on the Military

Secretary Zinke’s Recommendations on Bears Ears a Monumental Mistake

WASHINGTON (June 12, 2017) – Today, Secretary of the Interior Ryan Zinke submitted a preliminary report on Bears Ears National Monument to President Trump. Secretary
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