In the 1990s, the federal government reintroduced the gray wolf to Yellowstone National Park. It was considered a big success. And that’s when the real fight began.

Reintroducing Wolves to Yellowstone was a Success. That's When Trouble ​Began.

Producer: Erik German
Editor: Kristen Nutile
Reporter: Meral Agish

Some call it one of the great conservation success stories of our time. After being nearly killed off, gray wolves were re-introduced to Yellowstone National Park in 1995.

Since then, the population has bounced back to more than 1,600 across the northern Rocky Mountains. But some say a protracted fight over whether the wolves remain endangered has had some unintended consequences.

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Transcript Lesson Plan

More on the Story

The New Threat to Wolves in and Around Yellowstone The New York Times
DNA Study Reveals the One and Only Wolf Species in North America The New York Times
Gray Wolves Lose Another Fight in Washington Yahoo News
How the Fight for the Gray Wolf Was Won & Lost The Takeaway
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For Grey Wolves a Success Story Without Detractors The New York Times
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