Wildlife Conservation Society

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Khulan Return

After a 65-year absence, they are back in Eastern Mongolia thanks to the creation of safe crossing points along the Trans-Mongolian Railway.

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Your Impact

We helped establish two strategic conservation corridors in Ecuador that benefit wildlife. Check it out in our new spring impact report.

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National Mammal

As we mark the 10th anniversary of the American bison as the U.S.’s National Mammal, we’re revisiting our podcast episode on how extraordinary partnerships across geography, culture, and politics helped make it happen.

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WCS Impact Report

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In the news

April 28, 2026 | Policy Options

On Environmental Crime

Canada should support a proposed UN agreement to strengthen international cooperation on environmental crime, argues an op-ed co-authored by WCS Canada's Justina Ray.

April 13, 2026 | The Washington Post

Wildlife Trade

It's fueling disease outbreaks across the globe. A new study reinforces that governments need to control, regulate and, in many cases, stop this trade, says WCS's Susan Lieberman.

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