Table 2. Contribution percentages of each environmental predictor (percentage of each land use type, and Topographic position index at 250 m resolution) to each species and study site models yielded by MaxEnt.
| Campo Real | Calatrava | |||
| Little Bustard | Great Bustard | Little Bustard | Great Bustard | |
| Fallows | 20.60 | 37.41 | 43.16 | 5.59 |
| Natural Vegetation | 0.56 | 5.98 | 4.49 | 1.33 |
| Arable | 11.39 | 16.32 | 2.10 | 77.82 |
| Dry woody cultures | 44.94 | 5.45 | 20.24 | 10.36 |
| Leguminous crops | 19.74 | 28.08 | 0.50 | 1.10 |
| TPI250 | 2.77 | 6.78 | 29.49 | 3.81 |
Models were built using Little and Great Bustard observations from 2011 for Campo Real and 2008 for Calatrava.