Animals Count and Use Zero. How Far Does Their Number Sense Go?

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Monday, August 9, 2021

This reminds me of The Cambridge Declaration on Consciousness Honeybees count landmarks when navigating toward sources of nectar. Lionesses tally the number of roars they hear from an intruding pride before deciding whether to attack or retreat. Some ants keep track of their steps; some spiders keep track of how many prey are caught in their web. But rigorous experiments during the past two decades have shown that even animals with very small brains can perform incredible feats of numerical cognition.

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