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THE PENGUIN IS ONE OF THE VERY BIRDS THAT DOES NOT FLY.
An exceptional picture of two emperor penguins mating. They do it only once a year, and it lasts less than 10 seconds.
They mate in autumn, shortly before the coldest time of the year. Since there are more females than males, the lonely females
try to interfere with mating couples. Male and females look exactly alike, with a slight average difference in weight, and
a difference in voice (females have a higher pitch). But during mating season you can sometimes tell the females by the footprints
on their back...
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