This story appears in the September 2009 issue of National Geographic magazine. First comes the Noise, the turbulent din of king penguins calling, fighting, courting, like the ultimate schoolyard ...

Pesto the penguin is shedding. Here's what's next for this icon. Pesto the penguin is shedding. Here's what's next for this icon. Seaweed that tastes like bacon, a yellow penguin, and more wonders ...