NOT KNOWN FACTUAL STATEMENTS ABOUT FERTILE SWAN EGGS

could it be possible the eggs might be fertile? could it be normal with the eggs being varying shades of eco-friendly? I'm sure I can appear this up inside the books, but just how long right up until they hatch? How many swan eggs do you have got in your incubator? Also, are classified as the eggs out of your swans or did you buy the eggs? Our sp