WEBSep 15, 2022 · A baiji skull from the Museum's collection. Although this species is now likely to be extinct, scientists can still learn a lot about these animals from their bones. Human activities on the Yangtze River resulted in the baiji becoming one of the world's rarest …
WEBReproduction. The mating system of baiji is unknown. Little is known about the reproductive activities of baiji. Ovulation in females is periodic and sperm density in males varies …
Lipotes vexillifer, also known by the common name baiji, is found in China in the mouth of the Chang Jiang (Yangtze) to a point about 1900 km up the river, as well as in the middle and lower regions of the Quintangjiang River and in the Dongting and Poyang lakes. ( Nowak, 1999)
The baiji ( Chinese: 白鱀豚; pinyin: báijìtún; IPA: [pǎɪtɕîtʰwə̌n] ⓘ; Lipotes vexillifer, Lipotes meaning "left behind" and vexillifer "flag bearer") is a possibly extinct species of freshwater dolphin native to the Yangtze river system in China. It is thought to be the first dolphin species driven to extinction due to the impact of humans.
The only fossil placed close to L. vexillifer is Prolipotes yujiangensis ( Zhou et al., 1984 ), roughly of Miocene age. II. Distribution and Abundance Baiji were found mainly in the mainstream of the middle and lower reaches of the Yangtze River ( Zhou et al., 1977) ( Fig. 2 ).
Out of the seven times Mark and Douglas had visited China, never did they encounter a wild and free Yangtze river dolphin. It is even more impossible now with the likelihood that Lipotes vexillfer may be the first cetacean to have been driven to extinction by human activity.
WEBThe Yangtze River dolphin or baiji (Lipotes vexillifer) was an obligate river dolphin endemic to the middle-lower Yangtze River [Changjiang] drainage and the neighbouring Qiantang …
The Xinhua News Agency announced on December 4, 2006, that no Chinese river dolphins were detected in a six-week survey of the Yangtze River conducted by 30 researchers. The failure of the Yangtze Freshwater Dolphin Expedition (simplified Chinese: 长江淡水豚类考察; traditional Chinese: 長江淡水豚類考察; pinyin: Cháng Jiāng dànshuǐ túnlèi kǎochá) raised suspicions ...
WEBOct 29, 2013 · Metrics. The baiji, or Yangtze River dolphin ( Lipotes vexillifer ), is a flagship species for the conservation of aquatic animals and ecosystems in the Yangtze River of …
WEBThe most important hydrographic system for marine mammals is the Yangtze River, and several species can be found here. The baiji (Lipotes vexillifer) lives exclusively in fresh …
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