SWAN EGGS TO HATCH THINGS TO KNOW BEFORE YOU BUY

I am no expert on swans. I relatively think that an evening-time predator filched the eggs. I've heard people say that their birds( chickens, geese, whatsoever) get rid of infertile or nonviable eggs from their nest. In 40 yrs I have not had a chook clear away their own personal egg/s through the nest other than accidentally. Eggs laid early in th