I found an egg laying in my pond behind my house. It is white and a bit larger than your normal egg you'd eat?

Question

Does anyone know what kind of egg it may be?

Answer 1

....yes, you have managed to locate a duck's egg.

...have you found a way to feel of it, yet?

....the new ones are soft, pliable, and warm, as the slide out of t he mother duck

....they do grow harder after some days

....as for the type of 'duck' is your guess

....what types of ducks live at your pond?

Answer 2

a duck/goose egg?

Answer 3

Duck or goose.