Listen to the sound clip Laughing Kookaburra 5 from Kookaburra Soundboard: Laughing Kookaburra 5 Laughing Kookaburra 5 This sound is from Kookaburra Soundboard Kookaburas make a call which is uncannily like loud, echoing human laughter. They mark their territories with their laughing calls, and also will physically defend them from other bird species. Listen to their unique vocalizations. Go to the full soundboardwith more sound clips Search