Summary
With pea-sized brains, they can perform facial recognition. Scientists are still studying how.
Honeybees can distinguish human faces with tiny brains containing only 1 million neurons. Human brains have 86 billion.
Researchers showed bees photographs and rewarded them with sugar water for choosing the correct face. Bees learned to recognize faces with 80% accuracy.
This ability probably evolved for recognizing flowers. Bees must remember which flowers contain nectar - face recognition uses similar pattern matching.
Source: Journal of Experimental Biology
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