Xavier Ortega/ Veolia Environnement Wildlife Photographer of the Year 2011 The world's largest wildlife photography competition has produced stunning and oh-so-cute images of nature around across the globe. The Veolia Environnement Wildlife
Young gorillas learn by mimicking the behaviors of other individuals in the troop, and by play fighting with other youngsters. A young gorilla stays close to its mother until it is 4 to 6 years old. Gorillas are known to nurse for up to 3 years.