Sparrow is one of the four elephants in China traditional culture and one of the four ancient beasts. According to the theory of five elements, it is a god beast representing the south, with red color and summer season.
Many people think that Suzaku is equivalent to Phoenix, but it is not exactly the same. Suzaku is a sacred animal representing the South. Strictly speaking, Suzaku is limited to "Southern Fire Phoenix" and is a subspecies of Phoenix. In modern times, influenced by the myth of the rebirth of the western phoenix and Japanese popular culture, Chinese people sometimes regard fairy birds as suzaku or phoenix in translation and cognition.
According to the above statement, it seems to refer to Hong Niao produced in the south.