August pfluger , the head of a swiss environmental group dedicated to saving the baiji dolphin said wednesday that a six - week expedition found no trace of the species 致力于保护白暨豚的瑞士环保团体的负责人弗鲁格星期三说， 6个星期的考察没有发现白暨豚的踪迹。
The baiji relies on a highly developed sense of sound to locate food and swim around obstacles , rather like bats bouncing sound waves off distant objects to judge their location 白暨豚依靠对声音的高度敏感定位猎物和障碍物，而不是像蝙蝠那样靠声波反射来判断远处物体的位置。
A few finless porpoises - - smaller , stouter mammals with blunt noses - - were moved into a reserve , along with one baiji . the porpoises survived , but the captive baiji died 少数江豚?小而结实，嗅觉迟钝的哺乳类动物?和一只白暨豚一起被转移到一个自然保护区。江豚幸存下来，囿于此地的白暨却不幸死去。
By the end of 1995 china had set up 175 zoological gardens and zoological exhibition sites in public parks , 227 artificial breeding centers for wild animals , more than 60 large botanical gardens and 255 wild plant gene and cell banks to ensure the continuation of rare and endangered species of plants and animals , including the giant panda , chinese alligator , chinese sturgeon , white - flag dolphin , manchurian tiger , crested ibis , cathay silver fir , dovetree , cycas revoluta and camellia chrysantha tuyama 到1995年底，中国共建动物园和公园动物展区175个、各种野生动物繁殖中心（场） 227个，建立大型植物园60多个、野生植物引种保存基地255个，使大熊猫、扬子鳄、中华鲟、白暨豚、东北虎、朱? 、银杉、珙桐、苏铁、金花茶等珍稀濒危动植物得到保护。
