One possible result in the Mighty Mini Mammals division of 2015's Mammal March Madness tournament. If the species that's seeded highest always wins its bracket, the fennec fox will leave the division and advance to the final four. Adam Cole/NPR hide caption itoggle caption Adam Cole/NPR Animals Could A Quokka Beat A Numbat? Oddsmakers Say Yes In "Mammal March Madness," you win or die. No basketball in this tournament — it's a simulated survival-of-the-fittest game set up by evolutionary biologists. The battle cry? Mammals suck ... milk!