NOT KNOWN FACTUAL STATEMENTS ABOUT SWAN EGGS FOR SALE

I am no skilled on swans. I alternatively think that a night-time predator filched the eggs. I have listened to people today claim that their birds( chickens, geese, whatever) clear away infertile or nonviable eggs from their nest. In forty decades I have not had a chicken take out their own individual egg/s from your nest apart from unintentionall