The most notable include some male bighornsheep that have been observed to predominantly mount other males throughout their lives, and female Laysan albatrosses - more of which later.
最显着的，是一些雄性大角羊经常被观察到霸道地骑在同性伙伴的身上，另外雌性莱桑信天翁也一样。
3
Compared to some of today's big hitters, such as the Northern American bighornsheep, the Arctic musk ox and African duiker, Stegoceras' head was able to withstand the most stress.