:Because I'm not. I come from a different planet,: he answers, quite freely. Granted, it's far more complicated than that, and it would take a long time to explain, so he doesn't. Andrew had perhaps not let on the fact he wasn't human. Then again, Andrew actually appears to be human.

:What about you? You're not a regular crow.: Her mind seems approximately the same level of sentient as humans, and there was that somewhat unsettling display when he had taken her by surprise. If it hadn't been for that, the Master might've thought she was just a special crow, but now it seems more likely she's a shapeshifter.