Dog brain size shrank by half during domestication

Dog brains shrank by up to half during domestication, but researchers say the animals were not necessarily less intelligent.

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Friday, 1 May 2026 at 23:39 UTC

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Dog brains shrank by up to half during domestication, but researchers say the animals were not necessarily less intelligent.

e/eineurope · topic · T-18800cycle Friday, 1 May 2026 at 23:39 UTC · first reported 6d ago