Shots of frogs hunting prey, the narrator giving commentary. Close-up shot of cricket frog on a man's thumb. Close-up shot of leopard frog on man's hand. Narrator discusses the size of these frogs. Shot of cricket frog and leopard frog together to compare sizes. Shots of a spade foot toad as narrator gives facts about the species. Shot of a bullfrog. Narrator: "The bullfrog is the largest frog in this country."