Since many species of animals have larger brains than humans, why aren’t they as intelligent as humans are?
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It’s not just brain size that matters. It’s how big the brain is relative to the size of the body. In that regard I think I’m right in saying that humans have the largest brain for their body size. Yes a whales brain is bigger than ours, but their bodies are even bigger. Some birds are highly intelligent despite having small brains because they’re just so stinking small.
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