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 serigala were transplanted into the park from Canada beginning in 1995. Now, lebih than 1,545 serigala roam Idaho, Montana, and Wyoming.Biologists say that a minimum of 2,000 to 3,000 serigala are needed within the area in order to keep them from disappearing again.The serigala have had tremendous populer support from the beginning. Their reintroduction has been oleh far the most publicized and celebrated of any wildlife reintroduction in the U.S. The wolves...
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