1 / 4   Berlin zoo in Germany threw a birthday party on Thursday for a special friend – Fatou – a 61-year-old gorilla, who is believed to be the world’s oldest gorilla. /VCG Photo

2 / 4   Zookeepers prepared her a well-decorated birthday cake with the number 61 surrounded by fruits, which suited her taste very well. /VCG Photo

3 / 4   Fatou, who was used as a payment by a sailor at a bar in the French port city of Marseille, made her way to Berlin, Germany, in 1959 and was kept by Berlin zoo since then. Thus, her age is still not clear. /VCG Photo

4 / 4   According to the zoo, Fatou shares the title of the world’s oldest gorilla with another female gorilla named Trudy at a zoo in Little Rock, Arkansas. /VCG Photo