And in contrast to the maps of birds, this map is not mostly empty. Their food is distributed in three dimensions—and has dynamically changing patterns.
I would predict that the brain regions of a whale responsible for spatiotemporal learning and memory are a big part of their encephalization.
Blue whales are exploring a gigantic three-dimensional space: All the worlds oceans:
https://www.reddit.com/r/MapPorn/comments/hgw019/a_useful_world_map_for_whales_and_dolphins/
And in contrast to the maps of birds, this map is not mostly empty. Their food is distributed in three dimensions—and has dynamically changing patterns.
I would predict that the brain regions of a whale responsible for spatiotemporal learning and memory are a big part of their encephalization.