Figure 4. Mean proportion (± 95% CI) of grassland melomys (Melomys burtoni ) emerging from hiding during open field tests from quoll-invaded sites in 2017 (n = 16), 2018 (n = 28) and 2019 (n = 29), and quoll-free sites in 2017 (n = 14), 2018 (n = 35) and 2019 (n = 24) on Indian Island, Northern Territory, Australia.