As early as 1966, biologists asked the government to consider reintroducing wolves to Yellowstone Park.

早在1966年，生物学家就要求政府考虑将狼重新引入黄石公园。

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Grey wolves were reintroduced to Yellowstone National Park.

灰狼被重新引入黄石国家公园。

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After years of heated debate, gray wolves were reintroduced to Yellowstone National Park.

经过多年的激烈争论，灰狼被重新引入黄石国家公园。

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In Greater Yellowstone, for example, Predator Project found that more than two-thirds (22 out of 30) of the human-caused mortalities of the Yellowstone wolves have occurred outside of the national park, even though the wolves have spent the majority of their lives within the park's borders.

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Victory for Argyle, who also took a point off Wolves at Home Park on the first of day of the season, has lifted them five points clear of danger.

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The case stems from a December 1997 ruling by Wyoming District Court Judge William Downes that the wolf reintroduction program in Yellowstone and central Idaho is illegal and that all wolves in the park must be removed.

CNN: Yellowstone wolves get their day in court