Emperor Penguins
King Penguins
Chinstrap Penguins
Adélie Penguins
Gentoo Penguins
Macaroni Penguins
Royal Penguins
Erect-Crested Penguins
Snares Penguins
Fiordland Penguins
Rockhopper Penguins
African Penguins
Humboldt Penguins
Magellanic Penguins
Galapagos Penguins
Yellow-Eyed Penguins
Fairy Penguins
So, in case you were worried that you didn't know enough about penguins...
Don't worry. You are ready to enter the world now.