A research collaboration between IPB University, Kyoto University and the Mount Halimun Salak National Park Center (TNGHS) has succeeded in releasing a Javan eagle (Nisaetus bartelsi). This male eagle and estimated to be 1 year 5 months old was fitted with PinPoint Solar GPS-Argos type Terminal Transfer Platforms (PTTs) weighing 21 grams before being released into the wild.