Extinct Dolphin

A baiji specimen.

The baiji (Lipotes vexillifer) was a species of river dolphin endemic to the Yangtze River in China. Known as the "Goddess of the Yangtze" in China, this animal was also known as the Yangtze River dolphin, the Chinese river dolphin, whitefin dolphin and Yangtze dolphin.

The baiji first appeared 25 million years ago, and subsequently migrated to the Yangtze River. The last confirmed sighting of the dolphin dates to 2004 and following an unsuccessful expedition in 2006, the baiji was declared extinct.

Anatomy and morphology

Baiji were thought to breed in the first half of the year, the peak calving season being from February to April.

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