They waddled into stardom in National Geographic\'s March of the Penguins film.
Visit www.natgeoed.org/commoncore for more information..
But why do they throw up so much? March this way, and find out all National Geographic supports K-12 educators with ELA Common Core Resources.
These guys are now nature\'s ROCK STARS If you\'re age 5, you\'re probably as tall as an Emperor.
They waddled into stardom in National Geographic\'s March of the Penguins film