The female Baiji measures on the average from 1.85 m to 2.53 m, weighing at anything from 64kgs to 167. The males on the other hand would be from 1.41 m to 2.16 m, weight's range is from 42 to 125 kgs.
The breeding period of the Baiji only occurs every 2 years, and their mating period goes to a peak during autumn and spring. The reproductive maturity of the distaff side is from 3 to 8 years, the same goes to the male side.
Their longevity could reach up to 24 years, but that is in the wild. These dolphins ordinarily go in pairs, and they could join up with other pairs, forming a set of about ten.
The Baiji has been labelled by China as a national treasure "of the first order".
Interesting fact: Many times before, the fat of dead Baijis was utilized for medicinal objectives and the flesh was eaten.
Picture of the baiji by Alessio Marrucci, licensed under GFDL
The Baiji, changjiang dolphin, chinese lake dolphin, white flag dolphin, whitefin dolphin, yangtze river dolphin is listed as Critically Endangered (CR), facing an extremely high risk of extinction in the wild, on the IUCN Red List of Threatened Species