Not neccesarily...
seagull's eggs are about the size of an average chicken egg to 2x the size.
the size
Big enough to do the birthing job in relation to the size of the egg laying chicken.
A single large chicken egg has a mass of about 57 grams on average with its shell on. By contrast, a jumbo graded chicken egg has a mass of 71 grams.
I think it means this:"Which came first,chicken or egg?".
It would be about half the size of a small chicken egg or slightly smaller than half.
No, every egg unique in shape and size.
3 inches
The average size of a sea gull's egg is 1 to 2 ounces, depeding on the conditions the parent sea gulls were living in. The amount of food and water can change the size of the egg. The physical condition of the gull also counts, but either way, the eggs are mostly 1 to 2 ounces, as I said before.
The egg, 1st of all because there were eggs long before birds, but if you mean a chicken's egg then it is still the egg. This is because when a new species evolves, the egg is say, given birth to a sub-chicken, and the new species (chicken) is inside the egg, which is techically now a chicken's egg.
It means the egg was fertilized :\
Because tolawangi looked at it!