I'm not sure but I know one is the Chinese River Dolphin or there's hardly any of them left.
yes the chinese dolphins are extinct
Australodelphis, Squalodon, and Kentriodon are some examples of extinct dolphins.
Dolphins are endangered because of the waste as well as pollution that humans ever increasing factories are causing. Already the white dolphin has gone extinct.
Pink river dolphins
only one species of dolphins at this time that are going extinct are the pink river dolpinsHector's dolphins (New Zealand dolphins) are also in danger of becoming extinct. The endangered river dolphins are Amazon River dolphins, Ganges River dolphins, Chinese White dolphins, Indus River dolphins, and La Plata River dolphins.
botel nose dolphins are becoming extinct because sharks are eating them.
no
there are many dolphins, and they will keep having babies unless they die off.
Chinese River Dolphins were recently announced extinct. :(
Dolphins would go extinct.
dolphins are endangered species but not extinct because you observe that many times you go whale watching on the island Dominica you see mostly dolphins and hardly whales but with all the water pollution they might not only be endangered but extinct
thay haveint