How in the universe did these three groups of species (one ant, three butterflies, and about a dozen birds) ever wind up in this peculiar codependency?

• 在天地万物之中，这三组物种（一只蚂蚁、三只蝴蝶、十几只鸟）是如何捆扎成这种特殊的相互依赖关系的呢？