We purchased 6 2-week old Peking ducks in early spring. Didn't know their sexes, so wife and I were anticipating being able to determine how many were females vs. drakes. We received our first egg in early September, so we were ecstatic to find out we had atleast 1 female. Then a week later, we started getting 2 a day, then 3 a day, and this morning got 4. I collect eggs first thing in the morning and check for any hiddens ones. With this said, is it safe to say that we might have atleast 4 females?