How long is the crow's birth until flying

After the crow is born, it takes more than 19 days to fly.This bird is generally reproduced in April-July, and wild ones are inhabited near the sources of mountains and water. It is usually camping nest in the coniferous forest or coniferous broad-leaved forest.Usually you can breed a nest every year. Each nest has 5-8 eggs. The eggs are gray-blue or green. The incubation requires about 16-18 days.The young birds are relatively late, and they need to stay for about 19-20 days.