1. Viera are only native to Ivalice, not Eorzea.
2. There's nothing to see here. That's still a cat. Her tail is clearly off-screen; I would actually say it's behind her shield. Although given the extremely awkward angle at which she is bent over I can see why you might think it should be higher. I'd also point out that the ears on that Lalafel are longer than my Elezen's. New cross-bred species of potato?!