Finch eggs hatch in about 12 to 14 days after being laid. The female bird and the male bird take turns sitting on the eggs to keep them warm during this time.
Once hatched, the baby finches, called hatchlings, stay in the nest for 20 to 25 days before fledging (learning to fly). The parents continue to feed the fledged birds until they are 6 weeks old. Once the hatchlings have fledged the nest, the female lays another clutch of eggs and the parents start the incubation process all over again. It is not uncommon to have hatchlings who have already fledged the nest help take care of the new hatchlings from the next clutch of eggs.