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[Rare Animals] Baiji, Yangtze River dolphin (Lipotes vexillifer)
| 제목: | [Rare Animals] Baiji, Yangtze River dolphin (Lipotes vexillifer)
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등록시간: 2013:04:07 14:03:17
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The baiji (Chinese: 白鱀豚; pinyin: About this sound báijìtún (help·info)) (Lipotes vexillifer, Lipotes meaning "left behind", vexillifer "flag bearer") was a freshwater dolphin found only in the Yangtze River in China. Nicknamed "Goddess of the Yangtze" (simplified Chinese: 长江女神; traditional Chinese: 長江女神; pinyin: Cháng Jiāng nǚshén) in China, the dolphin is also called Chinese river dolphin, Yangtze River dolphin, whitefin dolphin and Yangtze dolphin. It is not to be confused with the Chinese white dolphin. The baiji population declined drastically in decades as China industrialized and made heavy use of the river for fishing, transportation, and hydroelectricity. Efforts were made to conserve the species, but a late 2006 expedition failed to find any baiji in the river. Organizers declared the baiji functionally extinct, which would make it the first aquatic mammal species to become extinct since the demise of the Japanese sea lion and the Caribbean monk seal in the 1950s. It would also be the first recorded extinction of a well-studied cetacean species (it is unclear if some previously extinct varieties were species or subspecies) to be directly attributable to human influence. In August 2007, a Chinese man reportedly videotaped a large white animal swimming in the Yangtze. Although it was tentatively confirmed that the animal on the video is probably a baiji, the presence of only one or a few animals, particularly of advanced age, is not enough to save a functionally extinct species from true extinction. The last known living baiji was Qi Qi (淇淇), who died in 2002.
Also called the Chinese River Dolphin, the Whitefin Dolphin, and the Yangtze Dolphin, the Baiji is NOT the Chinese White Dolphin. This rare animal has become “functionally extinct” because of China’s industrialization. Late in 2006 researchers were unable to find any of these mid-size dolphins, but in August of 2007 a Chinese photographer captured an image of what might be a Bainji. There are anywhere between 0 and 13 Yangtze River Dolphins left in the world. |
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동물그림창고 똑똑전화 누리집
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