Why is the grass spit vomiting

Grassstry spit because there are too many things.This kind of bird is suitable for cage, and the size of the cage should be appropriate. It must provide sufficient space, but also to avoid the birds from escaping.Put the food and water tanks in the cage. You can put dumplings, valleys, millet, etc. in the tank. Regular bone meal, vegetable leaves, and oyster powder should be supplemented on a regular basis.The water in the water tank is replaced every day, so as not to cause the birds to get sick after the water quality is deteriorated.