The wolves have been doing something amazing in Yellowstone National Park

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These unlikely creatures have done something to Yellowstone National Park that no one expected. Since they were reintroduced the 1990s, they’ve completely changed the ecology just by doing what they do best: hunting. George Monbiot explains what is called a “trophic cascade:” how the community and even the rivers have changed because of the wolves. It’s pretty awesome:

Source: youtube.com


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