"In 1995-96, twenty-three grey wolves were released in Yellowstone National Park where, due to over-hunting, there had been no wolves at all for almost seventy years. This reintroduction project was an overwhelming success. Over twenty years later we can still see the changes the grey wolves brought to Yellowstone National Park: ... elk graze higher ground, seedlings are growing tall, rivers are getting deeper as beavers return, and a lively pond ecosystem is developing"--Amazon.com.
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"In 1995-96, twenty-three grey wolves were released in Yellowstone National Park where, due to over-hunting, there had been no wolves at all for almost seventy years. This reintroduction project was an overwhelming success. Over twenty years later we can still see the changes the grey wolves brought to Yellowstone National Park: ... elk graze higher ground, seedlings are growing tall, rivers are getting deeper as beavers return, and a lively pond ecosystem is developing"--Amazon.com.
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