A file photo of a Yangtze finless porpoise in Poyang Lake. The total amount of highly endangered Yangtze finless porpoises has been estimated at approximately 1,012, down from previous years, according to the Ministry of Agricultural and Rural Affairs. Of the Yangtze finless porpoises, approximately 457 were in Poyang Lake, China's biggest freshwater lake. (Photo/IC)
A file photo of a Yangtze finless porpoise in Poyang Lake. The total amount of highly endangered Yangtze finless porpoises has been estimated at approximately 1,012, down from previous years, according to the Ministry of Agricultural and Rural Affairs. Of the Yangtze finless porpoises, approximately 457 were in Poyang Lake, China's biggest freshwater lake. (Photo/IC)
A file photo of a Yangtze finless porpoise in Poyang Lake. The total amount of highly endangered Yangtze finless porpoises has been estimated at approximately 1,012, down from previous years, according to the Ministry of Agricultural and Rural Affairs. Of the Yangtze finless porpoises, approximately 457 were in Poyang Lake, China's biggest freshwater lake. (Photo/IC)
A file photo of Yangtze finless porpoises in Poyang Lake. The total amount of highly endangered Yangtze finless porpoises has been estimated at approximately 1,012, down from previous years, according to the Ministry of Agricultural and Rural Affairs. Of the Yangtze finless porpoises, approximately 457 were in Poyang Lake, China's biggest freshwater lake. (Photo/IC)
A file photo of Yangtze finless porpoises in Poyang Lake. The total amount of highly endangered Yangtze finless porpoises has been estimated at approximately 1,012, down from previous years, according to the Ministry of Agricultural and Rural Affairs. Of the Yangtze finless porpoises, approximately 457 were in Poyang Lake, China's biggest freshwater lake. (Photo/IC)