While chicken eggs have only 7% of the Daily Value (DV) of iron, duck eggs have 20%. The selenium content of chicken eggs is ...

Crucially, duck eggs are both larger in size and contain a ... a staggering 1.6 trillion shell eggs were produced by 7.9 billion laying hens globally, the majority of which were raised industrially.

This is resulting in some consumers finding different ways to get eggs. Driving down Highway 11 North in Pitt County, right outside of Winterville, you might have seen the sign duck eggs for sale.

Hens' eggs are the type of egg most frequently used in cooking. Duck eggs, gull eggs and quail eggs are less frequently used and are generally eaten on their own, rather than in baking.