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来自维基百科,自由的百科全书
三足运动是指动物通过三条腿(肢体)从一个地方移动到另一个地方。鸡尾鹦鹉在攀爬时除了两只脚外,它的头颈或头部还能充当第三只脚。[1]一些灵长目动物也能三足运动,但这种情况并不多见[2][3]。 另外一些被人工截肢的四足动物实际上就只能通过三条腿来走动。
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