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 ...

Penguins are counter-shaded dark and white plumage. Their Wings are evolved into flippers, and they live in water areas only. Most of the penguins will feed krill, squid, fish, and some forms of ...

such as altering patterns of fish and bird migration. However, scientists at the University of Birmingham are trying out an alternative bio-indicator – the king penguin – to investigate ...