Emperors are the largest of all penguins. Join now. Your support is key in our work protecting species and their habitat. Close this window. For species that don't build nests and even some that do , song quality is very important. Research suggests that females can tell how fat a male is — and thus how long he will be able to babysit the eggs without needing to run off in search of food — based on his song.
Once a female chooses her mate, the pair will go through an important courtship ritual, in which the penguins bow, preen and call to each other. The ritual helps the birds get to know one another, and learn their respective calls so that they can always find each other. Courtship complete, the pair then mates. The female will lie down on the ground and the male will climb on her back and walk backward until he gets to her tail.
To keep the egg warm, the males huddle together into tight formations consisting of hundreds or even thousands of penguins. Finally, the egg hatches. In August, the female makes a distinct noise to locate the male and chick, since there are thousands of penguins in the area. The chick is then fed, and now it is the father's turn to return back to sea to capture food.
They have lost half of their body weight and must walk 70 miles to return to the sea. September has arrived, which is when the ice starts to melt on the continent.
This causes the length between the sea and the breeding ground to condense down to yards. This signals the time when the family parts to go their separate ways.
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