What kind of yellow bird is the top grade

The Ma Gong Yellow Bird is the top grade.The yellow bird is a yellow bird, which is divided into four types, which are yellow, green, Ma Gong and red neck.Huang is a Chinese product. It looks very good -looking, and the learning is faster, but the sound is not too big.Qing's voice is louder than yellow, but it is not very tame, and it is slow to learn oral learning.Magong called a statement liang, learned quickly, and could be released.Red necks have red hair during the season, and have a certain ornamental value.