Film maker and writer Terry Jones discovers a colony of penguins, which are unlike any other penguins in the world.
A gallery of pictures by Pal Hermansen.
Scientists unearth a fossil in Peru of a giant penguin that lived some 36 million years ago, offering an insight into the birds' evolution.
Cuteness is not the only reason penguins don't make it onto the main course: They are one of the leading indicators of what's happening to the planet.
Paul Nicklen describes his most amazing experience as a National Geographic photographer - coming face-to-face with one of Antarctica's most vicious predators : the leopard seal.
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