Species · BCR 24 · BBS 2025 Release · 1966–2024
Scarlet Tanager In Central Hardwoods
Scarlet Tanager in Central Hardwoods has surged: up 121% on the route-weighted index since 1968.
+121%Since 1968
151Routes In Region
58Years
Notable Signals
long arc increasecomputed index
Scarlet Tanager has surged in Central Hardwoods: up 121% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Scarlet Tanager in Central Hardwoods is projected to rise about 58% by 2029 — from 2.0 in 2024 to a central estimate of 3.2 (95% range 2.0–4.4). A 5-year backtest shows a typical error of ±70.4%, with 0% of held-out values landing inside the 95% band.
+58%Change by 2029
3.2Projected 2029 index
2.0–4.495% range
±70.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 3.1 | 1.9 | 4.3 |
| 2026 | 3.1 | 1.9 | 4.3 |
| 2027 | 3.1 | 1.9 | 4.3 |
| 2028 | 3.2 | 2.0 | 4.4 |
| 2029 | 3.2 | 2.0 | 4.4 |
Routes In Central Hardwoods
| Mammoth Cave | KENTUCKY | 25 | 2014 |
| Hoosier | INDIANA | 24 | 2024 |
| Trace Lewis | TENNESSEE | 22 | 2017 |
| Centerville | MISSOURI | 17 | 2024 |
| Georgia | INDIANA | 12 | 2024 |
| Bennett | MISSOURI | 11 | 2024 |
| Mammoth Cave North | KENTUCKY | 10 | 2013 |
| Rome | OHIO | 10 | 2024 |
| Lurton | ARKANSAS | 9 | 2023 |
| Boston Mtn. | ARKANSAS | 9 | 2024 |
| Levee 2 | KENTUCKY | 9 | 2019 |
| Trace Collinwood | TENNESSEE | 9 | 2018 |
| Hudson | KENTUCKY | 8 | 2019 |
| Brownsville | KENTUCKY | 8 | 2024 |
| Marshall | ARKANSAS | 7 | 2021 |
| Demunbruns | KENTUCKY | 7 | 2021 |
| Williamsvill | MISSOURI | 7 | 2024 |
| Pond Creek | TENNESSEE | 7 | 2024 |
| Compton | ARKANSAS | 6 | 2022 |
| Akers | MISSOURI | 6 | 2024 |
| Clementine | MISSOURI | 6 | 1996 |
| Campbellsville | TENNESSEE | 6 | 2017 |
| Rudy | ARKANSAS | 5 | 2024 |
| Levee | KENTUCKY | 5 | 1982 |
| Cascade | MISSOURI | 5 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.