Environment Koala numbers continued decline Phillip Island’s declining koala population gained traction on social media last week. by . Published January 25, 2023 Link copied! Copy failed! The island’s wild koala population is estimated to be about 10, but PINP has ruled out stepping up efforts to increase wild or captive koala numbers, saying there are very limited opportunities for koalas to be released on Phillip Island. Updated September 05, 2025 7:08 am | 5 months ago Link copied! Copy failed!