escued a gorilla and released him five years ago in the jungle: here is how he reacts when he goes looking for him

The animalist Damian Aspinall knew the gorilla Kwibi when he was taken in his animal conservation center in England. After having taken care of him, he released him into the jungle at age 5. Exactly five years later, he decided to go look for him to make sure he's okay and especially test his memory. Will he remember him?