Which Animal Can Wriggle?

writhe; squirm; to move by twisting and turning the body, as a worm or snake: He tried to wriggle out of the narrow opening.

What means wriggle?

1 : to move the body or a bodily part to and fro with short writhing motions like a worm : squirm. 2 : to move or advance by twisting and turning. 3 : to extricate or insinuate oneself or reach a goal as if by wriggling.

Do worms wiggle or wriggle?

To move the body to and fro with short, writhing motions, like a worm; to squirm; to twist uneasily or quickly about. (in the plural) See wiggles. To move with short, quick contortions; to move by twisting and squirming; like a worm.