Unlike sounds tied to a single show or meme, frog croaking is a classic nature recording used across film, television, and online video for decades to signal wetlands, night-time, and rural settings. Stock and field recordings of frogs became widely shared on soundboards and editing libraries as creators needed cheap, recognisable ambience for outdoor scenes. It remains popular because the call is instantly understood without explanation, works for both calm documentaries and comedy, and needs no licence or character reference to make a scene feel outdoors.