Penguins are water, flightless birds. They don’t have wings they have flippers. There are 18-20 species of penguins. Penguins can swim 15 miles per hour. Emperor penguins are the largest penguins. Adults can weigh as much as 100 pounds. The fairy penguin is the smallest penguin. They can reach up to 13 inches. King penguins travel in really big packs. There can be a half-million birds in each pack. You can find penguins in the southern hemisphere.

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