 Of course, if you want to put a barrier across the connection to the mainland, you might be able to wipe them out locally. Look, Marin, I've got a tight schedule. I can't spare dirt-moving equipment for that. By the way, what do they eat? Well, as far as I can see, anything. Insects, fruit, berries. You could call it an omnivore. Now that our clothing is handy, it eats that, too. I thought our clothing was supposed to be vermin-proof. It is. On 27 planets, on the 28th, we met up with a little fella that has better digestive fluids, that's all.