Others are giving some great answers around evolution, but I thought this might be interesting too. I’m reading it now, and among other things it goes into the structure of a bee’s brain, and how it achieves an incredible amount cognitively, with limited space for a brain. It’s a really fascinating read:

https://www.goodreads.com/book/show/59149209

Since people seem to be seeing this.. bird trivia pedants you should also be playing Wingspan (board or digital) if you aren’t already. Truuuuust me you’ll enjoy it 😁

Came to say the same 😂 Bird trivia pedants unite!