C. gouldii is the most common species found roosting in bat boxes installed at the Organ Pipes National Park in Melbourne, Victoria, accounting for 97% of species found. They are harp-trapped within the Organ Pipes National Park but the proportions vary from year to year. They also account for 95% of bats found in roost boxes in Wilson Reserve, Ivanhoe East, Melbourne, and 100% of bats found 1.5 km further east in Kew
