Pato Mensaje circulates online as a short Spanish-language notification sound, with its name meaning duck message. It is shared as a downloadable clip for messaging apps, where users want an alert that is instantly recognisable and more playful than a default tone. Its appeal comes from that contrast: a cartoon duck sound in place of a beep makes an everyday notification feel like a small joke. Because it is only a couple of seconds long, it fits neatly into memes, reaction videos and short-form edits without breaking the pacing, which helps explain why it keeps being reused for message scenes.