Ambam, a 21 year old Silverback gorilla, walks on his hind legs at Port Lympne Zoo in Kent Southeast England, on January 28, 2011. The male name Ambam, is part of a bachelor group of critically endangered Western Lowland Gorillas at Port Lympne Wild Animal Park in Kent. [Also on this board is a one minute VIDEO of him walking. st] AFP PHOTO/Ben Stansall
08 April 2016 - The Macho Ape, a critically-endangered Western Lowland Gorilla balances on a branch and beats its chest, roaring as it watches over the contractors working on improving the zoo. The 12-year-old male gorilla N'Dowe is in his enclosure at home at Paignton Zoo, Devon, where it lives with four other gorillas.
This image was one that won Nature's Best Photography Magazine's wildlife photograph 2010. Zoos And Aquariums. It was taken by Tom Warren Western Lowland Gorilla and Mallard Duck, Bronx Zoo, New York, U.S.