How many days do Gray Swallows hatch eggs

The gray swallows hatch eggs for about 14 days.This bird is a kind of silk bird, similar to it, the golden bird, also known as the yellow forehead.Their breeding methods are similar. If they are raised artificially, they generally prepare specialized nests and feed it to eat some Ghanairzes. During the incubation, they must also supplement live bait so that it can better breed the chicks.If the bird's mother's nature is not strong, you can choose other nanny birds to hatch.