THE FACT ABOUT SWAN EGGS HATCHING TIME THAT NO ONE IS SUGGESTING

can it be feasible the eggs are going to be fertile? Is it typical to the eggs for being various shades of green? I understand I can seem this up while in the guides, but how long until they hatch? Along with the weather being warmer and it being likely to be drier, flooding is not as likely and the probability of the baby swans dying due to reall