This flannel board story is based on the song "Five Little Monkeys Swinging on a Tree." It is sung to the tune of "Five Little Monkeys Jumping on the Bed." It goes like this:
"Five little monkeys swinging on a tree, teasing Mr. Crocodile 'You Can't catch me, you can't catch me!' Along came Mr. Crocodile as hungry as can be, and he...SNAP that monkey from the tree." (And you remove one of the monkeys and place him in the water.) "Four little monkeys swinging on a tree..."