Douglas operates a farm called Stellar Gamebirds, Poultry, and Waterfowl, and one of her fastest-growing lines is quail hatching eggs, which she packs and ships overnight to customers nationwide.

Alwyn Wils, a 45-year-old Dutch man, has been making news since he published a video of his project. After buying a 12-pack of supermarket quail eggs, he plopped them all in an incubator out of ...