"Cock-a-doodle-doo" is the common onomatopoeic phrase used to represent the sound made by a rooster. This distinctive crowing typically occurs at dawn, signaling the start of a new day. Roosters are known for their bright plumage and are often associated with farms and rural life. The sound serves various purposes, including marking territory and attracting hens. In many cultures, the rooster is a symbol of vigilance and awakening. The phrase "cock-a-doodle-doo" has also found its way into children's songs and stories, making it a familiar sound in popular culture.