VIDEO: Birthday cake for Ambam as world famous gorilla turns 27

A silverback gorilla, who's become an internet sensation because of his unusual walk, is celebrating his 27th birthday in Kent today.

Footage of Amban walking like a human has been watched by over 16 million viewers.

Known for his huge appetite, Ambam was presented a two-tiered carrot cake topped with his favourite food of choice, hard boiled eggs.

Here he is enjoying his birthday treat:

Although all gorillas can walk just using their legs, Ambam is able to stand and walk upright, enabling him to gain a height advantage to reach things or if his hands are full it makes it easier to move around.