This is a rare sound effect that isn’t found on Sony Pictures Sound Effects Library Volumes 1-5. It is included as part of SoundDogs, Animals-Monkeys, Gorillas - Gorilla Silverback Congo Silverback Dat 01 02 in a slightly higher pitch on the left channel.
Links:
https://soundeffects.fandom.com/wiki/Gorilla_Roars_and_Breaths_03_-_Series_of_gorilla_snarls,_breaths_and_roars#Audio_Samples
