"To be technical, it is now believed that the bird's cerebrum is like that of the mammal. A large area of cell clusters in the bird's cerebrum functions like the layers of flat cells in mammals needed for cognitive behavior. Complex behavior like tool making or vocalization comes from the interaction between higher and lower regions of the brain as in humans "
Feel free to be the first
Please review the linked page for context.
If you can think of something better than this,
please add it to the database