Roosters are males of domestic chickens, and as a member of the domestic poultry, roosters are widely known for their distinctive appearance and unique crowing sound. Usually has bright feathers, especially the colorful feathers on the neck and tail, and a fleshy crown on the head with bright colors. The body size is larger than that of a hen, with well-developed muscles, especially in the chest and legs. The beak is hard and suitable for pecking. Strong feet with sharp claws, suitable for scratching and searching for food on the ground. In addition, the tail is long and curved, often raised high, showcasing its majesty. The most well-known behavior is morning singing, which is a territorial declaration and courtship behavior of them. The sound is loud and can spread far.

Belonging to the bird class, chicken shaped order, and pheasant family. It is a type of chicken that is usually raised by humans for mating and consumption by hens. Known for its bright feathers and high pitched vocalizations. Usually has bright tail feathers and neck feathers, with a variety of colors, commonly including red, yellow, green, etc. The crowing of roosters is one of its most prominent features, usually occurring in the early morning and sometimes at other times, with a loud and penetrating sound. Plays an important role in the chicken flock, responsible for protecting territory and the flock, while also serving as a leader within the flock. In addition, meat and eggs play an important role in human diet and have high nutritional value.