Species · BCR 22 · BBS 2025 Release · 1966–2024
Indigo Bunting In Eastern Tallgrass Prairie
Indigo Bunting in Eastern Tallgrass Prairie has risen sharply: up 66% on the route-weighted index since 1968.
+66%Since 1968
278Routes In Region
58Years
Notable Signals
long arc increasecomputed index
Indigo Bunting has risen sharply in Eastern Tallgrass Prairie: up 66% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Indigo Bunting in Eastern Tallgrass Prairie is projected to stay roughly flat through 2029, near 20 (95% range 17–24). A 5-year backtest shows a typical error of ±5.4%, with 100% of held-out values landing inside the 95% band.
+0%Change by 2029
20Projected 2029 index
17–2495% range
±5.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 20 | 16 | 24 |
| 2026 | 20 | 16 | 24 |
| 2027 | 20 | 16 | 24 |
| 2028 | 20 | 16 | 24 |
| 2029 | 20 | 17 | 24 |
Routes In Eastern Tallgrass Prairie
| Belleview | ILLINOIS | 102 | 2024 |
| Eldred | ILLINOIS | 83 | 2021 |
| Harveysburg | OHIO | 71 | 1996 |
| Trading Post | KANSAS | 68 | 2024 |
| New Point | MISSOURI | 68 | 2024 |
| Wilmington | OHIO | 64 | 1996 |
| Athensville | ILLINOIS | 58 | 2024 |
| Madison | MISSOURI | 56 | 2024 |
| Brookville | INDIANA | 53 | 2024 |
| Chandlervill | ILLINOIS | 50 | 2024 |
| Wallace | INDIANA | 50 | 2024 |
| Red Rock | IOWA | 50 | 2024 |
| Melrose | KANSAS | 50 | 2023 |
| Lucerne | MISSOURI | 50 | 2021 |
| Robinson | ILLINOIS | 49 | 2023 |
| Milford | MISSOURI | 48 | 2024 |
| Camp Point | ILLINOIS | 47 | 2024 |
| Mt Vernon | ILLINOIS | 46 | 2024 |
| Emden | MISSOURI | 46 | 2024 |
| Ohio | MISSOURI | 45 | 2024 |
| Frazier | MISSOURI | 45 | 2024 |
| Frankford | MISSOURI | 45 | 2024 |
| Huntsville | MISSOURI | 41 | 2024 |
| Kearney | MISSOURI | 41 | 2024 |
| Kahoka2 | MISSOURI | 41 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.