Why is the cuckoo spitting?

Cuckoo vomiting is generally due to eating too much, or it may be sick.Raising this kind of bird often needs to give it food.In the early stages, you can only feed it for bread worms, 蟋蟀, etc., and then put feed in the bird cup, then add water and mix into the bread worm. After mixing it, put it a few lives, so that it will slowly accept artificial artificial artificial artificial artificial manner.Feed.Do not put water cups during the meal period. After the meal is successful, put the drinking cup in the bird cage.