
The reintroduction of wolves to Yellowstone National Park in the 1990s had a cascading effect that benefited the entire ecosystem, a new study finds.
The finding shows how the return or loss of apex predators can affect every part of the food web.

The reintroduction of wolves to Yellowstone National Park in the 1990s had a cascading effect that benefited the entire ecosystem, a new study finds.
The finding shows how the return or loss of apex predators can affect every part of the food web.