Study: Return of Wolves Changes Ecosystem

“GRANTS PASS, Ore. – Scientists studying the broader effects of wolf reintroduction said a growing body of evidence suggests that killing off predators such as wolves and grizzly bears in the last century started a cascade of effects that threw ecosystems out of balance.”

It is like dropping a stone into a ponds, ripples upon ripples. What kind of impact will it have? Sometimes it is hard to predict with any degree of accuracy.

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