This sound effect can be found on the Series 1000 Sound Effects Library, which was made by Sound Ideas. It is the same track as Sound Ideas, Animals - Goats bleating . . . lambs and sheep baaing from the Network Sound Effects Library. Links: https://soundeffects.fandom.com/wiki/Sound_Ideas,_GOAT_-_BAA_AND_GROANING,_ANIMAL,_LAMB,_SHEEP#Audio_Samples