i have 2 incubators. in one i have 26 duck eggs and the other has 15 chicken eggs. i just candled them and all but 1 in the duck incubator has developed and 2 in the chicken. as i was candleing them i swear that i could see the chicks moving around in the eggs. is this normal or was i just seeing things? this is my first attemt at hatching my own duck eggs. i have 6 ducks 2 peking drakes, 2 peking hens, 1 kaki hen, and one blk indian strait runner hen. i now have duck eggs running out my ears. i get 4 eggs a day from the ducks and between 6-9 eggs from the chickens. duck eggs for sale!!!!!