We source our fertile hatching greenwing macaw parrot eggs from rescues and candlelight test them to confirm their fertility. We sell fertile hatching green wing macaw parrot eggs and hatch the very few that are left back. Same day (overnight) shipping with tracking number for nextday delivery before midday. Candling Eggs and Advanced Techniques for Incubation & Hatching guide will be shipped with order for fertile hatching parrot eggs. The candling process works by illuminating the interior of an egg so you are able to see what is inside the shell.