In the epic 1962 battle of the century between everyone's favorite big screen movie monsters, King Kong and Godzilla, Kong went down first but scored a come-from-behind victory when a lightning bolt fueled him with energy. If they had a rematch, who would win? Because of Godzilla's short stubby arms, Kong definitely has the punching advantage because of his long muscular arms. But gorillas can't make a fist like humans can because their fingers are too long, so Kong will have to settle for giving head slaps. And Godzilla can counter by roaring with his atomic breath and swinging his long, lethal tail. Since it appears to be an even fight when the physical characteristics of the foes are considered, how should we determine who would win this monster rematch? Brains over brawn will probably determine the winner. So who is smarter, King Kong or Godzilla? A common approach to measuring intelligence in animals is to compare brain mass and body mass. Animals with larger brain mass relative to their body mass are general thought to be smarter. The Excel file Godzilla's Reptile Cousins shows the body mass and brain mass of 112 reptilian species. The Excel file Kong's Mammal