This wolf-restoration overview covers Yellowstone’s release of 41 wild wolves from Canada and northwest Montana from 1995 to 1997. Effects on elk and vegetation involve other predators, weather, and human influences as well as wolves. Which wildlife resource helps you get beyond a tidy headline? Source: [NPS: Yellowstone wolf restoration](https://www.nps.gov/yell/learn/nature/wolf.htm) Photo: [NPS / Jim Peaco](https://www.nps.gov/features/yell/slidefile/mammals/wolf/Page-4.htm) · [Public domain](https://www.nps.gov/features/yell/slidefile/index.htm)