Table 2. Model performance of the final national scale (1–3 km) and the road (100–500 m) roadkill HSMs using roadkill background data.
Schoener’s D index scores represent the niche overlap between models using random and roadkill background data.
| Model type | N | Feature types | Regularisation multiplier | AICc | Full AUC | Schoener’s D |
|---|---|---|---|---|---|---|
| National (1 km) | 6,004 | LQ | 1 | 138,246 | 0.72 | 0.85 |
| Major road (100 m) | 788 | LQ | 1 | 22,054 | 0.5 | 0.9 |
| B road (100 m) | 368 | LQH | 4 | 10,186 | 0.6 | 0.84 |
| Minor road (100 m) | 1,476 | LQH | 4 | 44,442 | 0.71 | 0.93 |
| All roads (100 m) | 2,623 | LQHPT | 4 | 79,724 | 0.74 | 0.92 |