The pheasant (also known as Sittasini) is a bird of 362 species and 7 genera, belonging to the genus Sittasiformis. Tia is a tropical bird. The class Sittisiformis is divided into three genera: Sittacidi, Cacatuidi, and Strigopoidi. Tiaras are widespread throughout the equator, with some species living in the temperate southern hemisphere. South America and Australia have the highest number of tears.