和现今的一些大型的头部撞击生物相比，如北美的大角羊，北极的麝香牛和非洲的小羚羊，剑角龙的头部可以承受更大的压力。

Compared to some of today's big hitters, such as the Northern American bighorn sheep, the Arctic musk ox and African duiker, Stegoceras' head was able to withstand the most stress.

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小羚羊生活在非洲茂密的森林中的灌木丛里。

The duiker lives in thick underbrush in African forests.

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