Species · BCR 11 · BBS 2025 Release · 1966–2024
Vesper Sparrow In Prairie Potholes
Vesper Sparrow in Prairie Potholes has increased: up 31% on the route-weighted index since 1969.
+31%Since 1969
123Routes In Region
57Years
Notable Signals
No notable trend signals for Vesper Sparrow in Prairie Potholes. See the full index history below.
Forecast
If the recent trend holds, Vesper Sparrow in Prairie Potholes is projected to fall about 18% by 2029 — from 27 in 2024 to a central estimate of 22 (95% range 14–31). A 5-year backtest shows a typical error of ±13.1%, with 100% of held-out values landing inside the 95% band.
-18%Change by 2029
22Projected 2029 index
14–3195% range
±13.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 22 | 14 | 31 |
| 2026 | 22 | 14 | 31 |
| 2027 | 22 | 14 | 31 |
| 2028 | 22 | 14 | 31 |
| 2029 | 22 | 14 | 31 |
Routes In Prairie Potholes
| Redstone | MONTANA | 184 | 2024 |
| Whitlash | MONTANA | 132 | 2024 |
| Hay Lake | MONTANA | 74 | 2022 |
| Westby | MONTANA | 71 | 2024 |
| Douglas Crk | NORTH-DAKOTA | 65 | 2024 |
| Sunburst | MONTANA | 62 | 2007 |
| Emerado | NORTH-DAKOTA | 58 | 2024 |
| Cleveland | MONTANA | 54 | 2024 |
| Stanley | NORTH-DAKOTA | 54 | 2024 |
| Edgeley | NORTH-DAKOTA | 45 | 2024 |
| Loraine | NORTH-DAKOTA | 45 | 2019 |
| Virgelle | MONTANA | 44 | 2024 |
| Shelby | MONTANA | 44 | 2024 |
| Worthington | MINNESOTA | 43 | 2024 |
| Wild Rose | NORTH-DAKOTA | 43 | 2024 |
| Powers Lake | NORTH-DAKOTA | 42 | 2024 |
| Horsehead Lk | NORTH-DAKOTA | 40 | 2024 |
| Buchanan | NORTH-DAKOTA | 40 | 2024 |
| Denbigh | NORTH-DAKOTA | 40 | 2024 |
| Carpio | NORTH-DAKOTA | 39 | 2023 |
| Sydney | NORTH-DAKOTA | 38 | 1983 |
| Appleton | MINNESOTA | 37 | 2024 |
| Gildford | MONTANA | 37 | 2024 |
| Beltrami | MINNESOTA | 36 | 2024 |
| Oswego | MONTANA | 36 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.