Sound Ideas, WOLF - HOWLING: RECEIVES ANSWER FROM OTHER WOLVES IN B/G, ANIMAL, WOLVES

This sound effect can be found on Series 1000 Sound Effects Library, which was made by Sound Ideas. It is made up of 6 howls, the last of which can be found on its own in Wolf Howl Single PE937502 from The Premiere Edition Volume 9. Links: https://soundeffects.fandom.com/wiki/Sound_Ideas,_WOLF_-_HOWLING:_RECEIVES_ANSWER_FROM_OTHER_WOLVES_IN_B/G,_ANIMAL,_WOLVES#Audio_Samples