Herd behavior describes how individuals in a group can act together without planned direction.

描述个人在群体里，如何没有计划方向地一起行为。

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Lionesses are in charge of hunting for the pride and work together to bring down fast-running herd animals like wildebeest, zebra, and antelope.

狮子图片库。雌性狮子负责狩猎给雄狮和团结一致对抗使奔跑快的兽群倒下像羚羊，斑马和角马。

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We must herd the enemy troops together and annihilate them.

我们必须聚敌而歼灭之。

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They had to keep the herd together day and night and protect it from bad men and Indians.

VOA: special.2010.03.18

They put together a huge herd of more than two hundred sixty-thousand cattle and set out for Sedalia.

VOA: special.2010.03.18

They followed a path invisible under the snow, down toward the woods along the side of a big L-shaped field, the dog scouting ahead of them, racing back on her tracks to herd her humans together, straining her ears yearningly at the perturbed, watchful sheep.

NEWYORKER: She��s the One