How do penguins swim underwater?

Question

1)Using air sacs to stay buoyant
2)By floating and drifting with currents
3)Using their webbed feet only
4)Using their wings as flippers

Answer 1

Penguins swim underwater primarily 4) Using their wings as flippers. Unlike most birds that use wings for flying in the air, penguins have adapted their wings into flippers that allow them to propel themselves efficiently through water. They also have a streamlined body shape, which aids in their swimming ability.