They are also well-adapted for swimming with their streamlined bodies gliding through the water, propelled by their small, ...

The emperor penguin is the heaviest and largest of the ... They have flippers rather than wings (although they are considered birds), which they use to move through water quickly.

"How come they have wings but can't fly?" Susan is fascinated by penguins. Even though she has been on countless journeys throughout the world, there is one parade that is still vivid in her mind.