Day In Pictures 8-22-11

4. A silverback mountain gorilla looks on in the northwestern Rwanda⿿s Volcanoes National Park in Kinigi on August 21, 2011. According to a 2010 census, the total number of mountain gorillas has increased by a quarter over the past seven years to reach more than 780 individuals. Two-thirds of them are found in the Virunga chain that straddles Rwanda, Uganda and the Democratic Republic of Congo. They were brought to the attention of the outside world by the renowned US primatologist, the late Dian Fossey.