Species · BCR 17 · BBS 2025 Release · 1966–2024
Killdeer In Badlands and Prairies
Killdeer in Badlands and Prairies has declined: down 46% on the route-weighted index since 1969.
-46%Since 1969
133Routes In Region
57Years
Notable Signals
No notable trend signals for Killdeer in Badlands and Prairies. See the full index history below.
Forecast
If the recent trend holds, Killdeer in Badlands and Prairies is projected to fall about 28% by 2029 — from 5.8 in 2024 to a central estimate of 4.2 (95% range 0.62–7.8). A 5-year backtest shows a typical error of ±11.3%, with 100% of held-out values landing inside the 95% band.
-28%Change by 2029
4.2Projected 2029 index
0.62–7.895% range
±11.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 4.7 | 1.1 | 8.3 |
| 2026 | 4.6 | 1.0 | 8.2 |
| 2027 | 4.5 | 0.88 | 8.1 |
| 2028 | 4.3 | 0.75 | 7.9 |
| 2029 | 4.2 | 0.62 | 7.8 |
Routes In Badlands and Prairies
| Isabel | SOUTH-DAKOTA | 63 | 2015 |
| Promise | SOUTH-DAKOTA | 43 | 2015 |
| Eagle Butte | SOUTH-DAKOTA | 43 | 2015 |
| Laplant | SOUTH-DAKOTA | 31 | 2015 |
| Marcus | SOUTH-DAKOTA | 31 | 2015 |
| Highlight | WYOMING | 25 | 2007 |
| Ft Thompson | SOUTH-DAKOTA | 24 | 2011 |
| Solen | NORTH-DAKOTA | 23 | 2024 |
| Gorham | NORTH-DAKOTA | 21 | 2018 |
| Dwyer | WYOMING | 20 | 2019 |
| Lacreek | SOUTH-DAKOTA | 19 | 2023 |
| Cottonwood | SOUTH-DAKOTA | 18 | 2024 |
| Volunteer | SOUTH-DAKOTA | 16 | 2019 |
| Shawmut | MONTANA | 15 | 2024 |
| Dinosaurs H.M. | MONTANA | 15 | 2024 |
| Chamberlain | SOUTH-DAKOTA | 15 | 2011 |
| Wheat Basin | MONTANA | 14 | 2024 |
| Dickinson | NORTH-DAKOTA | 14 | 2024 |
| Clarkelen | WYOMING | 14 | 1978 |
| Piney | WYOMING | 13 | 1990 |
| Two Dot | MONTANA | 12 | 2024 |
| Bowman | NORTH-DAKOTA | 12 | 2024 |
| Ardmore | SOUTH-DAKOTA | 12 | 2019 |
| Highwood | MONTANA | 11 | 2024 |
| Dunn Center | NORTH-DAKOTA | 11 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.