This sound effect can be found on the Digiffects Power Pack Sound Effects Library, which was made by Sound Ideas. It includes Hollywoodedge, Lion Growls Close Per PE025901. Links: https://soundideas.sourceaudio.com/track/41261019 https://soundeffects.fandom.com/wiki/Sound_Ideas,_DINOSAUR,_GROWL_-_T_REX,_GROWLING,_SEQUENCE,_2_VERSIONS,_DIGIFFECTS#Audio_Samples