Board Thread:Speculation House/@comment-4830106-20140806180925/@comment-10390252-20140821091401

I've basically had this discussion of science vs. plot demands over on the 'The Last of Us' Wiki. In essence, the Faunus's mating compatibility will be with whatever the plot demands. Whether or not that's plausible in real-world scientific terms is another matter and, essentially, irrelevant.

However, yes, in RL scientific terms, it is a stretch to say that a species will reproduce with another. Reproduction, by definition, is about propegating your own genetic heritage, not mixing it with others. That's why even closely-related species like lions and tigers won't normally cross-breed without pretty extreme environmental stresses.