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