It is hard to imagine a bird being able to lay large eggs like the Ostrich, but it really isn’t that hard for them due to their size. According to the book, “Birds – Their Life, Their Ways, ...

They only reach about 0.7 ounces, though some appreciate this, as the red-legged partridge female can lay 9 to 18 eggs in a single clutch. Ostrich Eggs: Ostriches lay 60 eggs a year, usually ...