Table 1. Summary of sharp-tailed grouse nests monitored in 2012 and 2013 in western North Dakota.
Nests are delineated by study area, monitoring method, and categories of nest failures. Belden study area represents intense gas and oil development, whereas Blaisdell represents minimal development.
| Total Nests Monitored | Depredated | Hen Mortality | Cattle Trampling | Farm Machinery | Apparent Nest Success | |||
|---|---|---|---|---|---|---|---|---|
| All Nests | 163 | 62 | 7 | 5 | 3 | 52.8% | ||
| By Study Area | ||||||||
| Blaisdell | 84 | 43 | 3 | 0 | 1 | 44.0% | ||
| Belden | 79 | 19 | 4 | 5 | 2 | 62.0% | ||
| By Monitoring Method | ||||||||
| Nest Camera | 90 | 29 | 4 | 3 | 1 | 58.9% | ||
| Telemetry Only | 73 | 33 | 3 | 2 | 2 | 45.2% | ||
| Combined | ||||||||
| Blaisdell | ||||||||
| Nest Camera | 48 | 23 | 2 | 0 | 0 | 47.9% | ||
| Telemetry Only | 36 | 20 | 1 | 0 | 1 | 38.9% | ||
| Belden | ||||||||
| Nest Camera | 42 | 6 | 2 | 3 | 1 | 71.4% | ||
| Telemetry Only | 37 | 13 | 2 | 2 | 1 | 51.4% | ||