A worm did it underground.
A bird did it the air.
A bear did it on a hilltop.
A whale did it deep in the water.
Walking, running, skipping, or jumping. Sometimes...somewhere...someone around the world is doing this.
Maybe even you! What can it be!
Young readers will giggle and smirk as they try to guess just exactly what it is that these animals are doing. And the ending may surpise them!