How old is the crow, you can have eggs

The crow should grow up to more than one year old.This bird is generally reproduced in April-July, and wild ones are inhabited near the mountain water sources. It is usually built in the nest in the coniferous forest or coniferous broad-leaved mixing forest.It can reproduce a nest every year, with 5-8 eggs per nest. The eggs are gray-blue or green, and it takes about 16-18 days to incubate.The young birds are relatively late, and they need to stay for about 19-20 days.