 A couple reasons. So their legs are all bone and tendon. All the muscles are up in the body of the animal. And what that helps them do, it puts the weight farther away from the thing that's moving, and it allows their legs to go with much more frequency, to go faster, faster, faster, faster. And so ostriches can run 45 miles an hour or so. They also, you know, if you look at a human foot,