Reintroducing wolves to Yellowstone helped entire ecosystem thrive, 20-year study finds
A new study calculates the long-term effects of reintroducing wolves to Yellowstone National Park in the 1990s, which ultimately helped willow trees that feed wildlife in stream habitats.
A new study calculates the long-term effects of reintroducing wolves to Yellowstone National Park in the 1990s, which ultimately helped willow trees that feed wildlife in stream habitats.
