The elephant has a bigger brain, but it also has a much larger body it has to monitor and control which takes brain power. The sperm whale has an even bigger br

The elephant has a bigger brain, but it also has a much larger body it has to monitor and control which takes brain power. The sperm whale has an even bigger brain, and an even larger body. It all comes down to the relative brainsize / bodysize. This wikipedia article describes it: https://en.wikipedia.org/wiki/Encephalization_quotient https://en.wikipedia.org/wiki/Encephalization_quotient And as you can see in that article, our quotient is far the highest of all animals. I find it weird that the authors of the article don't mention these things and do not seem to be aware of this.