It's been only 15 years since gray wolves, after years of near-extinction, were reintroduced into Yellowstone National Park. The initial group of 66 wolves were transplanted into the park from Canada beginning in 1995. Now, more than 1,545 wolves roam Idaho, Montana, and Wyoming.Biologists say that a minimum of 2,000 to 3,000 wolves are needed within the area in order to keep them from disappearing again.The wolves have had tremendous popular support from the beginning. Their reintroduction has been by far the most publicized and celebrated of any wildlife reintroduction in the U.S. The wolves...
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