After looking at the last picture, I'm not so convinced Rocky is a pullet... I'm on the fence now. Could you try to get more pictures in another couple of weeks?
They are both pullets.
Your Ursula just happens to have a fancy curved tail feather.
Boys, have a sheen they almost look greasy in dark and red birds it is very obvious.
Pretty birds, very pretty.
I was a little unsure myself about eating fertilized eggs when I got my rooster. But its true the eggs taste and look the same. Only difference is the little white dot on the yolk has a halo.