Can gray swallows drink milk?

Gray Yan cannot drink milk.This kind of bird feeding multiple seed hybrid feed, but nutrition needs to be added during the reproduction period. Therefore, it is best to supplement animal feed. It is best to feed some live bait, so that the nutrition is sufficient.This bird is mainly distributed in the southwestern region of my country, usually in rivers and lakes, and prefers cluster activities.Its head is not big and temperament is very docile, so it is easier to raise.