In order to efficiently take advantage of the wild foods available, bands are often nomadic and move around following herds of animals.

为了有效地利用现有的野生食物，群体通常是游牧的，并跟随成群的动物四处移动。

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Under these circumstances, archaeologist Andrew Smith believes, the small herds of Bos primigenius in the desert became smaller, more closely knit breeding units as the drought took hold.

考古学家安德鲁·史密斯认为，在这些情况下，随着干旱的持续，沙漠中较小的原牛群会变成更小、联系更加紧密的繁殖单位。

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Chobe is also renowned for its large herds of elephant and buffalo.

乔贝还以其大群的大象和水牛而闻名。

《柯林斯英汉双解大词典》

Other settlers brought huge herds of sheep to compete with cattle for the grass, and the sheep always won.

VOA: special.2010.03.18

Huge herds of cattle were brought there from western states to be transported by railroad to markets in the eastern United States.

VOA: special.2010.03.10

The cattlemen finally had to settle land of their own, putting up fences and cutting the size of their herds.

VOA: special.2010.03.18

In eastern Nepal, herds of wild elephants continue to rampage, demolishing human settlements and raiding crops.

BBC: Attacks prompt Nepal to cap wildlife growth

Inside are vaulted galleries full of large sculptures: female forms, Buddhas, herds of sheep.

CNN: Art on the Edges

The rare black-faced impala is often viewed here too, as are herds of Gemsbok, wildebeest, zebra, giraffe and rhino.

BBC: Caring for wildlife, Namibian-style