It is to consume the grasses and herbs that naturally grow for their own sustenance and in turn their poop fertilizes the soil assuring the sustenance of all plant life.

• 这就是吃掉地上的草，那是天然生长来维系动物王国生存的；反过来动物王国的粪便是来肥沃土地，来确保一切植物生命的延续的。