Northern Prairie Wildlife Research Center
| Table 1. Distribution of Conservation Reserve Program Fields Surveyed for Birds, by County and Conservation Practice. | ||||
| County | Conservation Practice | Number of fields | Total area (ha) | Average densitya |
| Fallon | 1 | 87 | 1414 | 78.5 |
| Fallon | 4 | 36 | 470 | 50.2 |
| Butte | 1 | 8 | 154 | 79.6 |
| Butte | 2 | 55 | 1292 | 112.0 |
| Butte | 10 | 17 | 412 | 61.9 |
| Hettinger | 1 | 88 | 2138 | 153.6 |
| Hettinger | 10 | 4 | 38 | 118.5 |
| Sheridan | 1 | 60 | 928 | 145.7 |
| Sheridan | 2 | 28 | 654 | 139.5 |
| Kidder | 1 | 96 | 1954 | 108.3 |
| Kidder | 10 | 19 | 217 | 150.8 |
| McPherson | 1 | 37 | 883 | 141.3 |
| McPherson | 2 | 41 | 881 | 130.6 |
| McPherson | 4 | 1 | 100 | 104.3 |
| Eddy | 1 | 100 | 2078 | 109.7 |
| Eddy | 10 | 8 | 30 | 81.2 |
| Day | 1 | 109 | 1616 | 156.3 |
| Day | 4 | 5 | 72 | 140.5 |
| Grant | 1 | 48 | 613 | 143.2 |
| Grant | 2 | 36 | 562 | 115.8 |
| Grant | 3 | 4 | 62 | 65.8 |
| Grant | 10 | 5 | 196 | 73.5 |
| Grant | 12 | 2 | 3 | 139.0 |
| a Indicated breeding pairs/100 ha | ||||