Smart Animals: Intelligence Evolved Twice!

New research suggests intelligence didn't just happen once in vertebrates. Complex brains & cognitive abilities likely evolved *independently* in both mammals and birds, indicating multiple pathways to cleverness.
Smart Animals: Intelligence Evolved Twice!

🧠🤯Did you know intelligence may have evolved *twice* in vertebrates? Birds & mammals developed complex brains in separate evolutionary paths! Fascinating research on animal cognition. #Intelligence #Evolution #Animals #Brains #Science


  1. Intelligence evolved independently in birds & mammals.
  2. Complex neural circuits are key to this development.
  3. This suggests vertebrate intelligence isn't a single evolutionary story.

Intelligence on Earth Evolved Independently at Least Twice

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