It's March, and that means college basketball fans are gearing up for the NCAA tournament. But there's another tournament taking place this month — and animals aren't the mascots, they're the competitors.
"Mammal March Madness" is organized by a team of evolutionary biologists. They choose 65 animal competitors and then imagine the outcome of a series of simulated interspecies battles. Who would win if a kangaroo took on a warthog? Or if an orca fought a polar bear?