They're snake doctors and they stitch up them snakes when they get hurt. Don't let one sting you, or he'll put all that snake's poison in you!
Children are gullible, especially when being fed bunkum by older children they look up to. This old fellow doesn't bite, sting, or mend reptiles. He just flies quickly around the pond scooping up mosquitoes and other small insects. By the look of his wings, this old fellow has been around a while. There's a big chunk missing from his right fore wing, and a smaller gap in his right hind wing. But he's still quite handsome, don't you agree?