Yesterday I found 4 duck eggs and I have been watching them. The mother hasn't come back, so I took them into my house and I am keeping them warm. I need to know when they are going to hatch, which then leads me to needing to know how old they are. Does anyone know how to tell how old an egg is?
Have they been fertilized by a male duck? Unless they have been you will just have some warm duck eggs. Maybe that is why the female duck left them.
Hold them up to a light and see if there's any development going on, that's called candling! This site is for doing chicken eggs, but, will give you an idea!
Take a toilet paper core, the egg and a flashlight into a dark closet. Egg in one end flashlight at the bottom and you will see if there is a youngster developing in there. Call wildlife rescue in your area as there are all sorts of things that are needed for developing eggs. They have to have proper temperature, proper moisture, proper turning.
Should they hatch, do not help them by peeling shell away. That kills them as they bleed very easily. Please call wildlife rescue if you want them to live. Ask at your local feed store if they know someone to help you.
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