Because there are no similarities between two species when compared in terms of colour and body structure. Denizli rooster was originated automatically upon great care shown by the people living in Denizli to long crowing rooster for centuries. The colour of Denizli rooster's eyes is black and blackened with kohl. Its legs are dark grey or purple, its comb is in big axe comb, and atrium is red or white spots on red background, general colour is black and dirty white together. Sometimes wing features have brown colours.
Red roosters have black-white mixture.
Their alive weight is about 3-3.5 kg. They are divided into 3 groups according to their colours, body building and combp types. The sound of Denizli roosters are classified according to the tone and clearness. Crowing of Denizli roosters is performed upon use of all abilities. The same features are true for the chicken.