It’s Fun to Know: Why the Early Bird Catches the Worm
by ETR (04/12/2008)
Why are "early birds" able to feast on earthworms after a rainstorm?
Worms usually hate coming to the surface. (The sun’s rays dry them out.) They get oxygen from the soil. But when it rains, their home becomes more water than air. To breathe, they must surface… which exposes them to hungry predators.
(Source: Popular Science )