Species · BCR 22 · BBS 2025 Release · 1966–2024
Chipping Sparrow In Eastern Tallgrass Prairie
Chipping Sparrow in Eastern Tallgrass Prairie has surged: up 581% on the route-weighted index since 1968.
+581%Since 1968
273Routes In Region
58Years
Notable Signals
long arc increasecomputed index
Chipping Sparrow has surged in Eastern Tallgrass Prairie: up 581% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Chipping Sparrow in Eastern Tallgrass Prairie is projected to rise about 64% by 2029 — from 12 in 2024 to a central estimate of 19 (95% range 15–23). A 5-year backtest shows a typical error of ±57.1%, with 0% of held-out values landing inside the 95% band.
+64%Change by 2029
19Projected 2029 index
15–2395% range
±57.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 18 | 13 | 22 |
| 2026 | 18 | 14 | 22 |
| 2027 | 18 | 14 | 23 |
| 2028 | 19 | 14 | 23 |
| 2029 | 19 | 15 | 23 |
Routes In Eastern Tallgrass Prairie
| Marion 2 | OHIO | 47 | 2024 |
| Red Rock | IOWA | 43 | 2024 |
| Fulton | OHIO | 42 | 2024 |
| Harveysburg | OHIO | 39 | 1996 |
| W Carrollton | OHIO | 39 | 2015 |
| Raymond | WISCONSIN | 39 | 2024 |
| Maplewood | INDIANA | 37 | 2021 |
| Kalida | OHIO | 37 | 2019 |
| Marion | OHIO | 37 | 2023 |
| Witts Station | INDIANA | 35 | 2024 |
| Decatur | INDIANA | 33 | 2024 |
| Emden | MISSOURI | 33 | 2024 |
| Sheffield | ILLINOIS | 32 | 2024 |
| Galveston | INDIANA | 32 | 2024 |
| Kings Creek | OHIO | 32 | 2015 |
| Norwalk | OHIO | 32 | 2024 |
| Union | ILLINOIS | 31 | 2017 |
| Darrtown | OHIO | 30 | 2021 |
| Ashley | OHIO | 29 | 2018 |
| Wallace | INDIANA | 28 | 2024 |
| Kahoka2 | MISSOURI | 28 | 2024 |
| No Kenton | OHIO | 28 | 2024 |
| Harveysburg 2 | OHIO | 28 | 2024 |
| Humboldt | ILLINOIS | 27 | 2024 |
| Swayzee | INDIANA | 27 | 2023 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.