“The orca’s big brain was bigger than he had hoped—five times the size of a human’s and weighing in at nearly fifteen pounds. And this was from a young whale, not a mature adult. The brain was also more complicated than McGeer had imagined—more complicated than a human brain. Dolphin brains were impressive, but this brain was spectacular.” InspirationalScienceWhalesMarine LifeOrcasKiller WhalesMoby DollOrca Brain Book:The Killer Whale Who Changed the World Source: The Killer Whale Who Changed the World