You might think it impossible for nature lovers to get much enjoyment out of fly watching, but after John introduces you to rainbow-eyed horseflies, delta-winged beeflies, and deadly predator robber flies, you might just change your mind. As usual, the Nature Nut goes to great pains to point out the obvious things that are right under our very noses, such as: "Flies, they fly. That's why we call them flies!"