Yeah, that doesn't explain much of anything to Maine. The behavior, maybe, but certainly not the shapeshifting. Maine keeps staring, waiting for more, even as the strange woman retreats. And then?

Well, then he's left with a book in his hand and absolutely no idea what the fuck just happened.

Maybe he ate something weird. Maybe he's hallucinating. That makes far more sense to him than the idea that a bird just turned into a person. Mutely, he scrubs a hand over his face and resolves to take his book elsewhere to read.