A white rhino grazes at the shore of lake Nakuru in Kenya's Rift Valley, 160km (100 miles) west of the capital Nairobi November 11, 2006. According to Kenya Wildlife Services (KWS, encroachment of people and poor farming methods have led to deforestation problems and the drying up of the springs around the area. Picture taken on November 11, 2006. REUTERS/Antony Njuguna (KENYA)