SWAN EGGS HATCHING TIME SECRETS

I am no pro on swans. I fairly think that a night-time predator filched the eggs. I've heard men and women state that their birds( chickens, geese, whatsoever) remove infertile or nonviable eggs from their nest. In 40 a long time I haven't experienced a fowl remove their unique egg/s from your nest other than accidentally. Our Highly developed inc