This sound effect can be found on the Creatures Sound Effects Library, which was made by Sound Ideas. It includes SoundDogs, Animals, Wild, Elephants - Elephant Roar (high pitched), Pro Sound Effects, Elephant, Growls, Howls, Cries, Efforts, Throaty, Beast, Large, Scary/Sound Ideas, ELEPHANT - VARIOUS SNORTS, GROWLS, TRUMPETS, ANIMAL, SoundDogs, Sci-Fi Eerie FX, Cool Stuff FX - Lion Cluster Screams, Sound Ideas, BEAR - BLACK BEAR: SINGLE ROAR, ANIMAL 05 and Sound Ideas, Bear: Growling Roars, Processed Beast Growls.