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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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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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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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Court Upholds Historical Interpretation of Nation’s Bird Conservation Law
The Southern District of New York upheld a long-standing interpretation of the Migratory Bird Treaty Act (MBTA). A coalition of national environmental groups, including the American Bird Conservancy, Center for Biological Diversity, Defenders of Wildlife, National Audubon Society, National Wildlife Federation filed lawsuits in May 2018 challenging the Department of the Interior’s move to eliminate protections for waterfowl, raptors and songbirds under the MBTA.
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Friends of the Sea Otter Joins Forces with Defenders of Wildlife
Friends of the Sea Otter (FSO), a California-based organization dedicated to sea otter conservation, announced today that it has made the strategic decision to close its operations and transfer its agenda, services, and assets to Defenders of Wildlife.
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Document shows Border Construction Impacts to National Wildlife Refuge Groundwater, Endangered Species
Defenders of Wildlife recently obtained documentation showing border wall construction efforts in and around the San Bernardino National Wildlife Refuge in southeast Arizona are threatening ground water sources and imperiled wildlife.
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EDF Renewables North America, National Audubon Society and Defenders of Wildlife Enter into a Collaborative Agreement
Defenders of Wildlife, along with partners, today announced a Swainson’s Hawk Study and Conservation Action Agreement that exemplifies the shared goals and collaboration necessary to develop renewable energy to meet California’s 100% goal while conserving important wildlife and their habitat.
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Vessel Speed Limits Sought to Protect Endangered North Atlantic Right Whales
Conservation groups filed a rulemaking petition today seeking additional ship-speed limits along the Atlantic coast to protect critically endangered North Atlantic right whales. In June, a baby right whale was found dead off the coast of New Jersey, with propeller wounds across its head, chest and tail.
jcovey@defenders.org
