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Startle principle

Lessons from Red-eyed Tree Frog

Flash and flee.

Flash-Eye Escape

Red-eyed Tree Frog (Agalychnis callidryas) featured animal image on AnimalDex

Core lesson

One bright second can break the spell of danger.

Biological basis

Red-eyed Tree Frogs use bright red eyes, vivid side colors, and sudden movement as startle coloration when disturbed, helping them escape predators.

Best use cases

Where this lesson tends to be most useful in practice.

Startle responseEscapeSurpriseSelf-protectionBuying time

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