Two captive Indo-Pacific bottlenose dolphins, called Taesan and Boksoon, are on track to be released into the wild, the Korean Animal Welfare Association announced this week. They are the latest in a string of theme park dolphins that have been recently set free.

The marine mammals are currently swimming in a sea-pen off the South Korean island of Jeju (map), as a prelude to being returned to the open ocean. (Read in the latest issue of National Geographic magazine: "Can Captive Dolphins Return to the Wild?")

They were transported there from the Seoul Grand Zoo late last week, and if the release (which is organized by the Cetacean Research Center and slated for late June) is successful, it