Species · BCR 21 · BBS 2025 Release · 1966–2024
Summer Tanager In Oaks and Prairies
Summer Tanager in Oaks and Prairies has surged: up 172% on the route-weighted index since 1969.
+172%Since 1969
64Routes In Region
57Years
Notable Signals
long arc increasecomputed index
Summer Tanager has surged in Oaks and Prairies: up 171% on the route-weighted index since 1969.
Forecast
If the recent trend holds, Summer Tanager in Oaks and Prairies is projected to fall about 19% by 2029 — from 3.2 in 2024 to a central estimate of 2.6 (95% range 1.6–3.6). A 5-year backtest shows a typical error of ±26.1%, with 60% of held-out values landing inside the 95% band.
-19%Change by 2029
2.6Projected 2029 index
1.6–3.695% range
±26.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.4 | 1.4 | 3.4 |
| 2026 | 2.5 | 1.4 | 3.5 |
| 2027 | 2.5 | 1.5 | 3.5 |
| 2028 | 2.5 | 1.5 | 3.6 |
| 2029 | 2.6 | 1.6 | 3.6 |
Routes In Oaks and Prairies
| Heyburn | OKLAHOMA | 17 | 2024 |
| Holdenville | OKLAHOMA | 13 | 2024 |
| Cayuga | TEXAS | 11 | 2024 |
| Noble | OKLAHOMA | 10 | 2024 |
| Massey Lake | TEXAS | 10 | 2024 |
| Skiatook | OKLAHOMA | 9 | 2019 |
| Osage | TEXAS | 9 | 2024 |
| Decatur | TEXAS | 9 | 2024 |
| Selden | TEXAS | 7 | 2024 |
| Wills Point | TEXAS | 7 | 2023 |
| Oak Grove | TEXAS | 6 | 1999 |
| Fannin | TEXAS | 6 | 2023 |
| Beggs | OKLAHOMA | 5 | 2023 |
| Graford | TEXAS | 5 | 2019 |
| Cottonwood | TEXAS | 5 | 2024 |
| Oak Grove 2 | TEXAS | 5 | 2024 |
| Carlos | TEXAS | 5 | 2024 |
| Thornton 3 | TEXAS | 4 | 2024 |
| Comanche | TEXAS | 4 | 2024 |
| Ardmore | OKLAHOMA | 3 | 2007 |
| Choctaw | OKLAHOMA | 3 | 2021 |
| Barnsdall | OKLAHOMA | 3 | 1977 |
| Tatums | OKLAHOMA | 3 | 2024 |
| Arenosa Crk | TEXAS | 3 | 2024 |
| Glen Rose | TEXAS | 3 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.