Nature does it BEST!
http://dailypost.wordpress.com/category/photo-challenges/
Why do zebras have stripes / patterns at all? Scientists aren’t sure, but many theories center on their utility as some form of camouflage. The patterns may make it difficult for predators to identify a single animal from a running herd and distort distance at dawn and dusk. Or they may dissuade insects that recognize only large areas of single-colored fur or act as a kind of natural sunscreen. Because of their uniqueness, stripes may also help zebras recognize one another.
Also watch this beautiful clip (if you have not yet seen National Geographic’s Patterns in the Grass.
http://www.youtube.com/watch?v=nzO4SpQhIwk
Just Fletcher 
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