Often given in chorus as a pair or family group, the call is often given in response to neighbouring group, evidently to establish territory boundaries. Sound Clips from Orange Free Sounds. It's a common sound in the Australian bush, starting up just around daylight: the laughing call of the kookaburra. Kookaburra sound. Laughing Kookaburras make a number of other … A mix of cackling ‘laughter’, chuckles and hoots, this famous call is most often heard at dawn and dusk. Download high quality sound effects free. Kookaburra call. The noisy territorial call of the Laughing Kookaburra is one of the best known sounds of the Australian bush.