Do gray birds need nest?

Gray Birds requires nests. Generally, it is not necessary to breed, and the birds will not sleep in the nest.This bird's nest is generally made in the shrub. After the nest is made, it will lay eggs. It can produce about 4-7 at a time.Usually it takes 16-18 days to hatch, and it takes 45 days after the shell is out before the young bird will leave the nest.After leaving the nest, the pro -bird basically does not need to be the nest, and it will restore the previous life state.