egg not hatching

We have a Muscovy hen, Mo, and she ended up with only 2 eggs left due to a snake. One has hatched and the other has not. How long should we wait, before taking that egg away? The first one hatched about 2 days ago. All the Muscovies stayed in the run the last 2 nights, like family in the...

Okay so today my father came to me and gave me an egg he said it was lying on the balcony of mygrandparents house with no nest nor parents. It is a small egg and it has no large end or it seems that way. It has no cracks on it its unharmed. I've researched and tried to candle it I've seen a...

I have around 8 duck eggs being incubated by a hen and they are on day 28 and i have noticed yellow and grey marks appearing om the inside of 2 of them, are they dead???? Do they need rescued???!? I will post pictures in a short while.

Hi! I am having problems with my goose egg not sure breed think its a toulouse mix. At day 26 it started to chirp and move the egg around. At day 28 the air sack appeared to be gone when candling but it was still chirping and moving the egg. Now it is day 30 and it isn't chirping or moving the...