Can gray swallows digest on their own?

After the gray swallows accumulate, they cannot digest themselves. They need to stop eating for a while and feed a little warm water.This bird comes from Africa and is raised in the south and other places. Usually you can feed it for some golden birds. During the breeding period, it is necessary to increase animal feed supplement nutrition. It should be noted that the male birds will attack each other, so you needBreeding it separately.In addition, keep warm when wintering to prevent birds from frozen.