That is odd PalominoStarsky that you got Cayugas from TSC! We can tell that three of the four Rouens (mallards) are going to be male. I hope the fourth is a hen.
Vida, my husband's bird dog, Ace, doesn't touch the ducks. I don't know what kind of dogs you have, but they can be taught to leave the ducks alone. Also Ace will kill every wild rabbit he can find on our property, but he could care less about the girls' pet rabbits.
Stella - sweet, timid, elegant, lovely, lively, amazing
Luna - large, unattractive, naughty, adored