ultrafacts: How Wolves Change Rivers Yellowstone National Park had become overrun with deer, which grazed away the vegetation dramatically. For years, biologists like Dave Foreman suggested a solution: bringing wolves back to the park, as the last
ultrafacts: How Wolves Change Rivers Yellowstone National Park had become overrun with deer, which grazed away the vegetation dramatically. For years, biologists like Dave Foreman suggested a solution: bringing wolves back to the park, as the last
