Most people consider wolves to be killers, but what they don’t realize is how They affect positively the environment.
The story begins when a pack of wolves was re-introduced into Yellowstone national park after an absence of 70 years. Their return had some surprising benefits: They started hunting and killing the large elk population that over takes the park affecting many other animals and plants in harmful ways. Thanks to what wolves simply do, the Eco-system in the Yellowstone is revived and the food cycle is balanced again. Everything from Landscapes to rivers was completely changed for better.
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