Researchers are worried about what may have happened to Ethan the Toondah koala

Updated August 7 2017 - 12:32am, first published July 28 2017 - 3:07am
KOALA SEARCH: Have you seen this young man or his radio collar. He also has a green ear tag.

THE Koala Action Group has lost one of eight koalas to have been fitted with a radio-tracking collar and is asking for public help to find him.