do I have a khaki campbell drake?

[MAHorsegal]

I have 2 Khaki Campbell ducks. They are just under 3 months old. They were supposed to a matched pair but I don't know if I got 2 females or not. one is a lighter khaki color with a pinkish brown beak and lighter yellowish legs. the other is a very dark khaki color with a dark brown beak and dark orange-brownish legs...any idea if either is a drake?

 

[CelticOaksFarm]

Vent sexing, DNA sexing and voice sexing (ducks QUACK and cracks whasp) are ow to tell them apart. As they mature the drake will get a drake curl on his tail where a feather or two curl up and towards his back. Kinda a C in shape.