How bringing back wolves transformed Yellowstone and sparked a national debate
By 1926, gray wolves were completely eradicated from Yellowstone. Elk populations exploded, overgrazing riverbanks and valleys.
In January 1995, 14 gray wolves were brought from Canada and released into Yellowstone. The largest wolf reintroduction in US history.
When wolves returned, elk changed grazing habits. Riverbanks recovered. Beavers returned, creating wetlands. The trophic cascade reshaped rivers.
The Endangered Species Act protects wolves, but ranchers argue livestock losses are devastating. Montana, Wyoming, and Idaho have fought federal protections.
From 14 wolves in 1995 to over 900 across the Greater Yellowstone area today. Yellowstone now earns $35 million annually from wolf-watching tourism.
Wolf reintroduction proves nature can recover. As climate shifts disrupt ecosystems, apex predators become even more critical.
Every one of the 63 US National Parks now shows measurable climate change impacts.
325 million annual national park visits generate $42B in economic activity for gateway communities.
13% of park wildlife now faces extinction risk.
One in four US national parks recorded its worst wildfire year in 2026.