Amanda's Budgies Harefield - So manage to candle some of the eggs this evening. Candling is a process where you shine a light through the egg, & based on what you see
Are Your Eggs Fertile? - Cute Little Birdies Aviary
Candling Eggs to Assess Fertility and Embryo Development
Dr Andrew Digby Twitterren: "Successfully swapped two infertile eggs in Tiwhiri's nest with Waikawa-A2, which has externally pipped and will hatch in a few days. Pics show fertile egg en route to