This sound effect can be found on Bears Sound Effects Library, which was made by Sound Ideas. It is an edited version of Sound Ideas, ANIMAL, CREATURE - LARGE ANIMAL GROWL 02, similarly to Earshot, Monster Snarl Pan except it’s normal pitched and not stereo. Links: https://soundideas.sourceaudio.com/track/48691563 https://soundeffects.fandom.com/wiki/Sound_Ideas,_Bear:_Growling_Roar#Audio_Samples