All the six different species -- rabbits, actually -- are all performing ecological services for one another, such that the manure of one is the lunch for the other and they take care of pests for one another.
一共六种不同的物种--还有兔子-- 它们都为彼此在这个生态空间中服务， 比如说某一个的粪便是另一个的午餐 它们为彼此留心害虫。