Butterflies deploy wing illusions for predator evasion, research finds

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Researchers at the University of Essex have determined that butterflies use optical illusions on their wings to evade predators. This defensive strategy involves patterns that create false perceptions of speed or direction for chasing animals. The findings were published by the university on September 30, 2026. This study provides new insights into the complex evolutionary adaptations for survival in the insect world.

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