How the Fight for the Gray Wolf Was Won & Lost
![](https://media.wnyc.org/i/800/0/c/85/1/485198177.jpg)
By the 1930s, the U.S. federal government had killed Yellowstone's gray wolves. About 60 years later, it tried to reverse that.
( mlorenzphotography / Getty )
( mlorenzphotography / Getty )
Produced by Elaine Chen