baiji white dolphin scientific name

A tour guide from Hong Kong Dolphinwatch spotted a group of pink dolphins helping a mother support the body of her dead calf above the water in an attempt to revive it. [1] Additionally, a new species (the Australian humpback dolphin (S. sahulensis)) has just recently been split off from S. chinensis and recognized as a distinct species. Surmounting obstacles, Turvey succeeds in launching his expedition on the Yangtze, a voyage of demoralizing discovery that the dolphins have vanished. However, in formal Chinese, it should be written as 烏鱀白鱀, with the gei originally in olden Chinese, meaning dolphins. The scene, captured on video and widely shared on Facebook, has raised fresh concerns about the dwindling population in a city where dolphin watching is a tourist attraction. [11] This process can be interrupted by large composites of waste that can range from oil, plastics and noise. Then you can start reading Kindle books on your smartphone, tablet, or computer - no Kindle device required. In addition, exploitation of shoreline also contributes to toxic contamination flows into dolphin's habitats. An adult Indo-Pacific humpback dolphin is grey, white or pink and may appear as an albino dolphin to some. As years passed, because "dolphin" sounds the same as "bad luck", the meaning of the phrase changed. It is listed on Appendix II[28] as it has an unfavourable conservation status or would benefit significantly from international co-operation organised by tailored agreements. The constant movement of ocean currents will cause the plastic debris, along with general-waste to clash together which entails a production of sound. The Indo-Pacific humpback dolphins were first discovered along the west coast of Taiwan in 2002. The baiji, a small, nearly blind white dolphin, was declared functionally extinct in 2006 after a team of scientists failed to find the animal during a six-week search of the Yangtze river. Please try again. Wursig B., Thewissen G.M.J, Encyclopedia of Marine Mammals.

[7] Plastic accumulation is not limited to ocean gyres; closed bays, gulfs and seas surrounded by densely populated coastlines and watersheds are all susceptible. You're listening to a sample of the Audible audio edition.

[12] The large blockage can refract sound-waves that give the dolphin a false inclination that there is possible prey, kin or a predator in the area. [13] The dolphins mainly live in the waters of Lantau North, Southeast Lantau, the Soko Islands and Peng Chau.

Please try again. Dolphin calves, with smaller lung capacities, surface twice as often as adults, staying underwater for one to three minutes. Despite echolocation being mostly affected by noise pollution it can altered by pollutants in marine water. ... Scientific Name: Lagenorhynchus obliquidens. Second, fishing activities along the west coast of Taiwan are thriving, and cause many impacts on dolphins. A 30% pregnancy rate was observed. Boto. They change to grey, then pinkish with spots when young. The dolphin, which had existed for 20 million years, had been endemic to the water body. Buy Witness to Extinction: How We Failed to Save the Yangtze River Dolphin on Amazon.com FREE SHIPPING on qualified orders It is also known as the Yangtze river dolphin, baiji, white-flag dolphin, and white-fin dolphin. It means during those 7 years, population of humpback dolphins is being destroyed constantly and severely.
About the Baiji . The Goddess of the Yangtze, as it was known, was also the lone representative of an entire and ancient branch of the Tree of Life. The baiji’s eyes were tiny and positioned higher up on the head than in other species of dolphin. There's a problem loading this menu right now. It has led to disturbance of marine food web or trophic level and reduces marine biodiversity. [25] And this population is called Eastern Taiwan Strait (ETS) population. [14], There have been some reports of dolphin watching practices that have further endangered the Indo-Pacific humpback dolphins, such as in Sanniang Bay dolphin sanctuary in Qinzhou[15][16] and off Xiamen. Something went wrong. Industrialization in China has had incredible ecological costs; the Yangtze is not only a superhighway of ship traffic, but a receptacle for continuous discharges of raw sewage and toxic industrial effluents, and the baiji are just one of many species to suffer rapid declines (shad, sturgeon, paddlefish, aquatic birds).

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