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Biology

Collective Decision-Making in Fish Schools and Bird Flocks

Quick fact

A school of fish or flock of birds can change direction in under 100 milliseconds, far faster than any single individual could react to the initial stimulus—thanks to distributed, wave-like information transfer across the group.

Why this is interesting

Imagine a flock of starlings twisting through the sky in perfect sync, or a school of fish turning as one to dodge a predator. How do hundreds of individuals make split-second decisions without a leader?

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Collective Decision-Making in Fish Schools and Bird Flocks

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