In fact, the reintroduction of wolves to Yellowstone in 1995 was a landmark conservation effort that has been incredibly successful. The wolves have helped to restore balance to the park's ecosystem, influencing everything from the behavior of elk to the growth of trees.
It's important to note that there are still some challenges related to managing the wolf population, such as managing potential conflicts with livestock. However, the wolves are considered an integral part of Yellowstone's natural heritage and their presence is a testament to the effectiveness of conservation efforts.