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The Amazon river dolphin (Inia geoffrensis), also known as the boto, bufeo or pink river dolphin, is a species of toothed whale endemic to South America and is classified in the family Iniidae. Three subspecies are currently recognized: I. g. geoffrensis (Amazon river dolphin), I. g. boliviensis ( Bolivian river dolphin ) and I. g. humboldtiana ...
The baiji (Lipotes vexillifer), 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 pink dolphin of the Amazon River is an endangered species. The fauna of Colombia is characterized by a high biodiversity , with the highest rate of species by area unit worldwide. [ 1 ]
2. Baiji Dolphin (Lipotes vexillifer) Known as the Yangtze river dolphin, or the Chinese lake dolphin, the Baiji was declared functionally extinct in 2007. This was announced after a dedicated six ...
China’s Yangtze river dolphin (Lipotes vexillifer) represents a third genus, but the species hasn’t been seen in the wild in 40 years and may be extinct, according to the International Union ...
More recently in 2007 the Baiji dolphin , a rare river dolphin native to China, was presumed extinct. The last documented sighting of the baiji dolphin occurred in 2002.
Iniidae is a family of river dolphins containing one living genus, Inia, and four extinct genera.The extant genus inhabits the river basins of South America, but the family formerly had a wider presence across the Atlantic Ocean.
The list of extinct cetaceans features the extinct genera and species of the order Cetacea. The cetaceans ( whales , dolphins and porpoises ) are descendants of land-living mammals, the even-toed ungulates .