Species · Tennessee · BBS 2025 Release · 1966–2024
Brown Creeper Population Trend in Tennessee
Brown Creeper in Tennessee has surged: up 217% on the route-weighted index since 1991.
+217%Since 1991
3Routes In State
21Years
Notable Brown Creeper Trends in Tennessee
long arc increasecomputed index
Brown Creeper has surged in Tennessee: up 217% on the route-weighted index since 1991.
Brown Creeper Population Forecast in Tennessee
If the recent trend holds, Brown Creeper in Tennessee is projected to rise about 25% by 2029 — from 0.14 in 2024 to a central estimate of 0.17 (95% range 0.07–0.27). A 5-year backtest shows a typical error of ±16.5%, with 100% of held-out values landing inside the 95% band.
+25%Change by 2029
0.17Projected 2029 index
0.07–0.2795% range
±16.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.15 | 0.05 | 0.26 |
| 2026 | 0.16 | 0.06 | 0.26 |
| 2027 | 0.16 | 0.06 | 0.27 |
| 2028 | 0.17 | 0.06 | 0.27 |
| 2029 | 0.17 | 0.07 | 0.27 |
Brown Creeper Survey Routes in Tennessee
| Cades Cove | 3 | 2023 | 1989 |
| Newfound Gap | 3 | 2024 | 1990 |
| Fish Springs | 1 | 2001 | 1997 |
Brown Creeper Population Trend in Other States
alaskaarizonacaliforniacoloradoconnecticutidahoillinoisindianaiowamainemarylandmassachusettsmichiganminnesotamontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-dakotatexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.