All kinds of penguins live in the southern hemisphere and the territory where winter temperatures are making fatty layer must be thick with penguins, to assist in the catchment of heat from the body and is a food shortage in the fur range of penguins have a 2 layer acts like a floor of common birds. Best floor coating is also waterproof grease to the cold winter wind from outside, and the penguins will be shed once a year- The old fur and feather are dropped and damaged, will rise rapidly.
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