他发现同一地区的两个囊地鼠群落之间有竞争。

He discovered there are competitions between two gopher villages in one area.

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邻近的明尼苏达州被称为“囊地鼠州”，是以一种更加温顺，可以建山打洞的小动物命名。

Neighboring Minnesota, the Gopher State, is named for a much nicer animal that builds hills and tunnels.

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