original: They can be distinguished from butterflies in several ways.
simplifications: They can be told apart from butterflies in several ways. They are different from butterflies in several ways. You can see how they're different from butterflies in many ways. There are a few ways to tell them apart from butterflies. You can tell they are not butterflies in several ways. They are different from butterflies in several ways. You can tell the difference between them and butterflies. They are different from butterflies in several ways. In a number of ways, they can be distinguished from butterflies. They can be differentiated from butterflies in many ways.