Fig 1.
Hawai‘i Volcanoes National Park (HAVO) study region with major road segments.
Fig 2.
Annual Nēnē mortality due to vehicles from 1974–2014.
Fig 3.
Monthly Nēnē mortality summed over the 40-year period.
Fig 4.
Age of Nēnē at time of mortality.
Because not all goslings could be aged to exact month we considered them all 0.5 years old.
Fig 5.
Age of Nēnē at time of mortality compared to year when mortality occurred.
Fig 6.
Total Nēnē mortality by road segment within the park and location of the segment inside or outside of the park.
Road segment lengths (km) are denoted above each bar.
Fig 7.
Locations of Nēnē vehicle strikes.
Fig 8.
Nēnē population size versus vehicle-related mortality.