Most penguins have the same egg shaped body and black back and white belly or tuxedo coloring. There shape is perfect for swimming and the coloring is good camouflage. Viewed from above they blend in to the water. Viewed from below they blend in with the sky. Penguins also have a much heavier and stronger skeleton than birds that fly, to allow them to dive easier for fish. And their feathers act as a waterproof shield and insulation against cold wind.
To read more about these fascinating birds go to the Web Page by Mike Bingham, Organisation for the Conservation of Penguins.
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