Species · BCR 11 · BBS 2025 Release · 1966–2024
Chipping Sparrow In Prairie Potholes
Chipping Sparrow in Prairie Potholes has surged: up 593% on the route-weighted index since 1969.
+593%Since 1969
111Routes In Region
57Years
Notable Signals
long arc increasecomputed index
Chipping Sparrow has surged in Prairie Potholes: up 593% on the route-weighted index since 1969.
Forecast
If the recent trend holds, Chipping Sparrow in Prairie Potholes is projected to rise about 23% by 2029 — from 5.0 in 2024 to a central estimate of 6.2 (95% range 5.0–7.4). A 5-year backtest shows a typical error of ±31.2%, with 20% of held-out values landing inside the 95% band.
+23%Change by 2029
6.2Projected 2029 index
5.0–7.495% range
±31.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 5.9 | 4.7 | 7.0 |
| 2026 | 5.9 | 4.8 | 7.1 |
| 2027 | 6.0 | 4.9 | 7.2 |
| 2028 | 6.1 | 4.9 | 7.3 |
| 2029 | 6.2 | 5.0 | 7.4 |
Routes In Prairie Potholes
| Panther | IOWA | 26 | 2024 |
| Turtle Mtns | NORTH-DAKOTA | 25 | 2024 |
| Worthington | MINNESOTA | 19 | 2024 |
| Sparta | NEBRASKA | 19 | 2021 |
| Abercrombie | NORTH-DAKOTA | 19 | 2012 |
| Huntley | MINNESOTA | 16 | 2024 |
| Maynard | MINNESOTA | 15 | 2015 |
| Fairmont | MINNESOTA | 15 | 2023 |
| Oklee | MINNESOTA | 14 | 2021 |
| Wylie | MINNESOTA | 14 | 2024 |
| Madison | NEBRASKA | 13 | 2019 |
| Howard | SOUTH-DAKOTA | 13 | 2024 |
| Zearing | IOWA | 12 | 1995 |
| Eagle Creek | NEBRASKA | 12 | 2024 |
| Sheyenne Lk | NORTH-DAKOTA | 12 | 2024 |
| Chokio | MINNESOTA | 11 | 2024 |
| Courtland | MINNESOTA | 10 | 2024 |
| Denbigh | NORTH-DAKOTA | 10 | 2024 |
| Douglas Crk | NORTH-DAKOTA | 10 | 2024 |
| Garner | IOWA | 9 | 1993 |
| Burchinal | IOWA | 9 | 2024 |
| Tilden | NEBRASKA | 9 | 2024 |
| Cooperstown | NORTH-DAKOTA | 9 | 2024 |
| Carpio | NORTH-DAKOTA | 9 | 2023 |
| Lennox | SOUTH-DAKOTA | 9 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.