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The Emperor Penguin (Aptenodytes forsteri), at 1.3 metres (3 ft 9 in) tall and 32 kilograms in mass, is the tallest and heaviest of all penguins. It is the only penguin that breeds during the winter in Antarctica. Emperor Penguins eat mainly crustaceans (such as krill) but also occasionally indulge in small fish and squid. In the wild, Emperor Penguins typically live for 20 years, but some records indicate a maximum lifespan of around 40 years. The Emperor Penguin should not be confused with the King Penguin or the Royal Penguin.

Adults average about 1.3 metres (3 ft 9 in) and weigh 30 kilograms (75 lb) or more. The head and wings are black, the abdomen white, back bluish grey, and the bill is purplish pink. On the sides of the neck, there are two golden circular stripes.

Like the King Penguin counterpart, a male Emperor Penguin has an abdominal fold, the "brood pouch", between its legs and lower abdomen.

More on the Emperor Penguin