The problem posed in the xkcd is "Check if the photo is of a bird", not identify the bird in question. As far as identifying the bird species, that would probab

The problem posed in the xkcd is "Check if the photo is of a bird", not identify the bird in question. As far as identifying the bird species, that would probably be harder, because I'm guessing there's very few human experts who could reliably do that across a wide spectrum of species, and without knowing the context of the photo.