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Some birds are just as smart as apes. Complex cognition is possible without a cortex due to similarities in brain architecture.

Stashed in: Primates!, Awesome, Birds!, Intelligence, Birds, Cognition

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“The absolute brain weight is not relevant for mental abilities, either.” While ape brains weigh 275 to 500 gram on average, birds, who are just as skilful despite lacking a cortex, only manage 5 to 20 gram.

Sounds like, gram per gram, birds have better brains. I wonder if other dinosaurs did too.

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