Birds have structures with functions and evolutionary origin similar to the (neo)cortex:
https://www.science.org/content/article/newfound-brain-structure-explains-why-some-birds-are-so-smart-and-maybe-even-self-aware
https://www.scientificamerican.com/article/bird-brains-are-far-more-humanlike-than-once-thought/
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Birds have structures with functions and evolutionary origin similar to the (neo)cortex:
https://www.science.org/content/article/newfound-brain-structure-explains-why-some-birds-are-so-smart-and-maybe-even-self-aware
https://www.scientificamerican.com/article/bird-brains-are-far-more-humanlike-than-once-thought/