This sound effect can be found on Animal Trax, which was made by The Hollywood Edge. Hyena, Spotted Laugh, Moan. Group of Hyenas Laughing and Moaning. Close Perspective. Links: https://soundideas.sourceaudio.com/track/11508636 https://soundeffects.fandom.com/wiki/Hollywoodedge,_Hyena_Spotted_LaughM_AT033801#Audio_Samples