How many years till the dolphins are extinct?

Answer 1

This depends in part on what turtle you're asking about. Then an estimate of the current populations figures, and the rate of lose might give you a probable time frame, if all the conditions remained the same through out the time period.

Answer 2

It's not about time. A species is extinct as soon as there are no creatures of it left alive (or, there could be a few, but they could be all male and can't reproduce or something like that <- HYPOTHETICAL)

Answer 3

how many years till dolphins are extinct