The easiest was to know is to crack it open and examine the embryo.
If a duck egg is found
Your duck egg is dead. Throw it away.
The Egg - another species that the duck has evolved from lays the duck egg, and the duck is born :)
There should be cracks in the egg but they are super small cracks.
a duck doen't get pregnant they lay eggs and there is no way you can tell until she lays the egg
The Duck-billed Platypus (Ornithorhynchus anatinus) is a semi-aquatic, egg laying mammal native to Australia and Tasmania.
It will smell like shrimp or just smell really bad it smells like a rotten egg.
Duck eggs blue is simply a blue duck egg which is natural you canot make it it just happens when a duck lays an egg xx
A duck egg in a van perhaps...?
cook 'em up if, really, there is nothing you can do... :]
it is a duck egg
Duck egg incubation can be from 27 to 35 days depending on the breed.