This sound effect can be found on The Edge Edition Volume 1, which was made by The Hollywood Edge. It sounds nearly identical to Sound Ideas, ELEPHANT - TRUMPETS IN JUNGLE, ANIMAL, 02 from the Hanna-Barbera Sound Effects Library (made by Sound Ideas).
Sound Effect Description
Elephants Trumpet Angrily, Close Up & Distant.
Clean, Full Length and Unedited Link to the Sound Effect