Species · BCR 22 · BBS 2025 Release · 1966–2024
American Robin In Eastern Tallgrass Prairie
American Robin in Eastern Tallgrass Prairie has surged: up 81% on the route-weighted index since 1968.
+81%Since 1968
278Routes In Region
58Years
Notable Signals
long arc increasecomputed index
American Robin has surged in Eastern Tallgrass Prairie: up 80% on the route-weighted index since 1968.
Forecast
If the recent trend holds, American Robin in Eastern Tallgrass Prairie is projected to rise about 35% by 2029 — from 62 in 2024 to a central estimate of 83 (95% range 66–101). A 5-year backtest shows a typical error of ±46.8%, with 0% of held-out values landing inside the 95% band.
+35%Change by 2029
83Projected 2029 index
66–10195% range
±46.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 81 | 63 | 98 |
| 2026 | 81 | 64 | 99 |
| 2027 | 82 | 64 | 100 |
| 2028 | 83 | 65 | 100 |
| 2029 | 83 | 66 | 101 |
Routes In Eastern Tallgrass Prairie
| Harveysburg | OHIO | 242 | 1996 |
| Murdock | NEBRASKA | 178 | 2024 |
| Wilmington | OHIO | 174 | 1996 |
| Dunlap | OHIO | 173 | 1988 |
| Raymond | WISCONSIN | 166 | 2024 |
| Sheffield | ILLINOIS | 160 | 2024 |
| Terre Haute | ILLINOIS | 156 | 2024 |
| Wayne | ILLINOIS | 149 | 2024 |
| Red Rock | IOWA | 146 | 2024 |
| Atkinson | ILLINOIS | 138 | 2024 |
| Caledonia | ILLINOIS | 134 | 2024 |
| Harristown | ILLINOIS | 133 | 2024 |
| Middletown | INDIANA | 126 | 2024 |
| Plainfield | INDIANA | 126 | 1999 |
| New Lenox | ILLINOIS | 125 | 2019 |
| Monticello | ILLINOIS | 124 | 2024 |
| Pontiac | ILLINOIS | 123 | 2024 |
| Decatur | INDIANA | 123 | 2024 |
| Newark | ILLINOIS | 122 | 2022 |
| West Liberty | IOWA | 117 | 2024 |
| Fairland | ILLINOIS | 116 | 2024 |
| Maplewood | INDIANA | 116 | 2021 |
| Newport | OHIO | 116 | 1994 |
| Galveston | INDIANA | 115 | 2024 |
| Gretna | NEBRASKA | 115 | 2018 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.