Guinea fowl, also known as guinea fowl, pheasant and guinea bird. It is one of the chicken families and originated in Africa. There are three main species: one is the "guinea fowl" distributed in Somalia and Tanzania. Its main feature is that there are only a few feathers with white spots on its back. The second is the "crested guinea fowl" distributed in tropical forests in Africa. The third kind is "grey-crowned guinea fowl", including blue moustache and red moustache. "Grey-crowned Guinea fowl" has bred many varieties such as grey Guinea fowl, white Guinea fowl, lilac Guinea fowl and their hybrids. Among them, the grey guinea fowl is the largest variety, and the guinea fowl usually referred to in China mainly refers to the grey guinea fowl type, such as Issa Guinea fowl in France.