hm... very interesting discourse. Both arguments have merit. I think though what it comes down to is what movement potential a beast looks like they have - that's what scariness is about - imagining what's going to happen. I agree with adldesigner that natural movement has to look possible but I also agree with Pony when he said 'down with anatomical correctness'. What's anatomically correct about super hero's movement?

I think it comes down to a gut feeling and I believe that the truth will be revealed by the wings.

I think though that the feet do look a little heavy for the body and that maybe if they looked more talon-like (also perhaps lighter) they might be more frightening.