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The Gangetic dolphin is a freshwater dolphin found in the Ganges and Brahmaputra Rivers in India and Nepal. The Gangetic dolphin is considered to be one of the most endangered cetaceans in the world, with a population estimated to be less than 2,000 individuals. The Gangetic dolphin is threatened by habitat loss, pollution, and hunting. The Bhagalpur district in Bihar, India, is home to a significant population of Gangetic dolphins.