The Emperor Penguin is the only penguin species that breeds during the Antarctic winter. It treks 31–75 miles over the ice to breeding colonies, which may include thousands of penguins. The female lays a single egg, which is then incubated by the male while the female returns to the sea to feed; parents subsequently take turns foraging at sea and caring for their chick in the colony. The average lifespan of the Empire Penguin is 20 years, although observations suggest that some Emperor Penguins may live to 50 years of age.

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Breeding during the winter in Antarctica is specific to the Emperor Penguin. The Emperor Penguin travels far; they will travel anywhere from 31 - 75 miles in the freezing cold to meet many other penguins for breeding. This is known as a breeding colony and a colony can have thousands of penguins. The father penguins sit on the eggs while the mothers go and hunt for food at sea. After the chick is born, the mother and father take turns taking care of the baby and going off to feed. Emperor Penguins, on average, live to be about 20 years old, but some have been known to live up to 50 years.