This sound effect can be found on Soundelux Sound Effects Library, which was made by SoundDogs. It includes high pitched versions of Hollywoodedge, Elephant Trumpeting PE024801, Hollywoodedge, Elephant Single Shor AT043402, Hollywoodedge, Elephant Single Clas AT043801 and Hollywoodedge, Elephant Baby Trumpe AT043503. The first two trumpets do not have standalone sound effects on either The Premiere Edition Volume 1 nor Animal Trax.