Species · BCR 11 · BBS 2025 Release · 1966–2024
Song Sparrow In Prairie Potholes
Song Sparrow in Prairie Potholes has risen sharply: up 69% on the route-weighted index since 1969.
+69%Since 1969
117Routes In Region
57Years
Notable Signals
long arc increasecomputed index
Song Sparrow has risen sharply in Prairie Potholes: up 69% on the route-weighted index since 1969.
Forecast
If the recent trend holds, Song Sparrow in Prairie Potholes is projected to rise about 62% by 2029 — from 9.7 in 2024 to a central estimate of 16 (95% range 9.9–22). A 5-year backtest shows a typical error of ±65.4%, with 20% of held-out values landing inside the 95% band.
+62%Change by 2029
16Projected 2029 index
9.9–2295% range
±65.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 15 | 9.3 | 21 |
| 2026 | 15 | 9.4 | 21 |
| 2027 | 15 | 9.6 | 21 |
| 2028 | 16 | 9.7 | 22 |
| 2029 | 16 | 9.9 | 22 |
Routes In Prairie Potholes
| Turtle Mtns | NORTH-DAKOTA | 62 | 2024 |
| Zearing | IOWA | 48 | 1995 |
| Kempton | NORTH-DAKOTA | 40 | 2017 |
| Emerado | NORTH-DAKOTA | 37 | 2024 |
| Oklee | MINNESOTA | 36 | 2021 |
| Loraine | NORTH-DAKOTA | 34 | 2019 |
| Lake Bronson | MINNESOTA | 32 | 2011 |
| Nash | NORTH-DAKOTA | 29 | 2017 |
| Garner | IOWA | 28 | 1993 |
| Beltrami | MINNESOTA | 26 | 2024 |
| Lakota | NORTH-DAKOTA | 26 | 2009 |
| Huntley | MINNESOTA | 25 | 2024 |
| Britton | SOUTH-DAKOTA | 25 | 2023 |
| Buchanan | NORTH-DAKOTA | 24 | 2024 |
| Big Stone | MINNESOTA | 23 | 2012 |
| Forbes | SOUTH-DAKOTA | 23 | 2024 |
| Badger | MINNESOTA | 22 | 2018 |
| Cooperstown | NORTH-DAKOTA | 22 | 2024 |
| Wylie | MINNESOTA | 21 | 2024 |
| Grygla | MINNESOTA | 21 | 2017 |
| Cleveland | MONTANA | 21 | 2024 |
| Sheyenne Lk | NORTH-DAKOTA | 21 | 2024 |
| Howard | SOUTH-DAKOTA | 21 | 2024 |
| Forman | NORTH-DAKOTA | 20 | 2024 |
| Horsehead Lk | NORTH-DAKOTA | 20 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.