Wildlife Lethal control a “last option” Land managers must exhaust all practical non-lethal control options to control wildlife. by . Published June 20, 2023 Link copied! Copy failed! In November a biannual count of Phillip Island’s Cape Barren geese population showed a slight decline, with 2436 geese on the island, according to Nature Parks Updated September 05, 2025 12:21 am | 7 months ago Link copied! Copy failed!