Yeah, but...

How do they watch ESPN?

...A couple of marine biologists have recently published a paper analyzing 317 games they observed in dophins -- and arguing that the games are so complex they wouldn't be out of place on an Xbox 360. Indeed, as World Science reports, young dolphins appear to deliberately design their games to be as hard as possible, perhaps because this makes them a good learning experience.

Read the full post on Collision Detection for an account of one such game.