DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Mountain gorillas (Gorilla beringei beringei) mating. The mature male leading the troop is known as a silverback due to the colour of the fur on its back. Mountain gorillas are found in cloud forests high on the slopes of the Virunga volcanoes between Rwanda, Uganda and Zaire. High elevation and rainfall makes this habitat wet and cold. The adults eat many kilograms of roots, leaves and stems daily, and can exceed 2 metres in height. Mountain gorillas reproduce slowly and are vulnerable to habitat destruction, poaching and war, making them highly endangered. Photographed in Volcanoes National Park, Rwanda.
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