Thats cool! I really like my campbell's eggs. But once her and the drake reached maturity it was the end of the line for eating eggs, and hello fertilized ones! You can still eat them if you don't get a broody duck and if you collect them within 2 days of when they are layed. I couldn't though, the thought made me sick. So I decided to let her sit on them. I don't know how that would have ended, she was killed a month ago, so now I have two little eggies in the bator that are due to hatch the 31st. Anyway... the eggs are a litter bigger than chicken eggs, they are longer and about as wide. My runners never laid eggs, they were both drakes.