There was a classic study that showed what we humans might intuitively think how brains and vision should work was wrong, at least with frogs - TLDR - their eye

There was a classic study that showed what we humans might intuitively think how brains and vision should work was wrong, at least with frogs - TLDR - their eyes do processing/filtering (one channel - is this thing in field of vision possible prey?) on input before sending some higher level signal to the brain https://phdcns.sissa.it/publication/what-frogs-eye-tells-frogs-brain https://phdcns.sissa.it/publication/what-frogs-eye-tells-fro...