| Area | Island | % Correct |
|---|---|---|
| 3.25 km2 | White Island | 87%
|
| 13.0 km2 | Mayor Island | 68%
|
| 18.72 km2 | Great Mercury Island | 58%
|
| 60.7 km2 | Matakana Island | 58%
|
| 10.0 km2 | Motiti Island | 52%
|
| 2.25 km2 | Red Mercury Island | 39%
|
| 2.68 km2 | Slipper Island | 39%
|
| 2.67 km2 | Rangiwaea Island | 26%
|