A creature does not become King Kong until you hear him — the silhouette on screen is a costume or a model, but the roar from the cinema speakers is what makes the audience flinch and grab their armrest. 9 clips here build the giant-primate vocabulary in full: low chest growls held three seconds at a time, full-throated roars with the throat-tear at the top of the breath, chest pounds with the hollow boom underneath, and shorter grunts and snorts for between-roar beats.
Layered under each are the things King Kong is never alone with — distant jungle ambience, screaming birds disturbed by his arrival, branches snapping as he moves through cover. Monster-film editors stack two roars an octave apart to manufacture scale beyond what any single recording delivers. Game audio designers use the shorter grunts as boss-creature aggression cues. Free to download for personal and commercial work, no attribution required.