Even the pesky chinchillas and goats would be plenty good to shoo off without having to mess with them, but Elidibus has got him thinking now. They can set up this ward to go off, buuut...

"What about we find a blob first? See how they like them?" He gives the piece of paper another wave. "It won't be fun trying it here if nothing's around."

Good that livestock aren't around, but in their immediate vicinity, it's just them! That's no fun. Tidus wants immediate, quicker results!