Like horses, camels can work as pack animals.

和马一样，骆驼也可以做驮畜。

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Despite its claims, Dartmoor zoo itself has been responsible for killing animals - deer, as a result of "overpopulation", and a Wolf who was ostracised by the pack, for example.

尽管有此论调，但达特·穆尔动物园自己却也在杀戮动物——例如鹿，就是“群体过剩”的结果，例如，还有被一群人讨厌的狼。

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When pups are six months old, they will start hunting larger animals with the rest of the pack.

幼狼六个月大时，就会开始和群体中的其他成员一起捕猎更大的动物。

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Americans know about them mainly from a history of use as pack animals in Arizona and other areas of the desert Southwest.

VOA: special.2010.02.16

But burros are not only good pack animals.

VOA: special.2010.02.16

Eventually his production company decided to prioritise programming for dogs because they are pack animals and suffer most from separation anxiety.

BBC: New TV channel for dogs sets tails wagging in Israel

Schaller himself had attempted to find the calving ground a year earlier, but his trek failed when his pack animals died.

NPR: Chang Tang's Endangered Antelope

In the Middle Ages, European craftsmen refined the design, improving the efficiency and allowing pack animals to do more work with less strain.

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