sheep

羬羊 (Qian yang) is a beast on the mountain that looks like a sheep, but has a horse’s tail. The oil from its fat can be used to treat chapped skin.

《山海经·西山经》

华山之首，曰钱来之山，其上多松，其下多洗石。有兽焉，其状如羊而马尾，名曰羬羊，其脂可以已腊。