They are such interesting creatures, aren't they? [The amusement makes it's way into his eyes and he vaguely wonders what exactly this boy is. This boys soul is certainly not that of a human. It doesn't have that same feel that makes human souls so good to eat.]
For many reasons. They don't make the same barbaric noises as dogs and they don't need to take orders from their masters in order to act, to name a few. They are most definitely the most sublime animals of them all.