When you look at, say, a frilled lizard or a crocodile, you do not see many feminine qualities. This, of course, does not mean there aren't any femal frilled lizards or crocodiles! It's the same with all of your characters (save viera): There are females in your clan, they simply look exactly like the dudes.

Of course, this leaves the question of "How come none of them have girl's names?" .. Well the answer is simple. You see... erm...