THE ULTIMATE GUIDE TO GESTATION PERIOD FOR SWAN EGGS

I'm no specialist on swans. I rather think that a night-time predator filched the eggs. I have heard men and women say that their birds( chickens, geese, regardless of what) clear away infertile or nonviable eggs from their nest. In forty a long time I haven't experienced a chook clear away their unique egg/s through the nest other than unintention