The European viper's zig-zag pattern helps the snake remain undetected, provides a warning of the snake's dangerous defense, and can produce an illusionary effect that may hide the snake's movement as it flees

Scientists at the University of Jyväskylä in Finland have shown that the simple zig-zag pattern on the back of the European viper serves three different purposes; it helps it avoid detection; warns predators off if noticed; and can hide the snake's movement if it has to flee.

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Category: Biology, Science

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