The new findings confirm that the ancient bipedal dinosaur Stegoceras could knock out any of today's top head-butters.
新的发现证实古代两足生物剑角龙可以打败现今顶级的善于头部撞击生物。
2
Stegoceras was a member of the leaf-eating genus Pachycephalosauria that roamed the Earth around 70 million years ago.
剑角龙是属于肿头龙类食叶属之一，这种物种生存于7千万年前的地球。
3
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.