Species · Tennessee · BBS 2025 Release · 1966–2024
Least Flycatcher Population Trend in Tennessee
Least Flycatcher in Tennessee has risen sharply: up 58% on the route-weighted index since 1969.
+58%Since 1969
7Routes In State
36Years
Notable Least Flycatcher Trends in Tennessee
long arc increasecomputed index
Least Flycatcher has risen sharply in Tennessee: up 58% on the route-weighted index since 1969.
Least Flycatcher Population Forecast in Tennessee
If the recent trend holds, Least Flycatcher in Tennessee is projected to stay roughly flat through 2029, near 0.04 (95% range 0.00–0.10). A 5-year backtest shows a typical error of ±38.4%, with 60% of held-out values landing inside the 95% band.
n/aChange by 2029
0.04Projected 2029 index
0.00–0.1095% range
±38.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.04 | 0.00 | 0.10 |
| 2026 | 0.04 | 0.00 | 0.10 |
| 2027 | 0.04 | 0.00 | 0.10 |
| 2028 | 0.04 | 0.00 | 0.10 |
| 2029 | 0.04 | 0.00 | 0.10 |
Least Flycatcher Survey Routes in Tennessee
| Smokey Jct | 1 | 1990 | 1985 |
| Mecca | 1 | 2016 | 2016 |
| Jefferson Cty | 1 | 1995 | 1995 |
| Tellico | 1 | 2024 | 2015 |
| Cades Cove | 1 | 2016 | 2016 |
| Fish Springs | 1 | 2021 | 1967 |
| Elk Valley | 1 | 2014 | 1971 |
Least Flycatcher Population Trend in Other States
alaskaarkansascaliforniacoloradoconnecticutgeorgiaidahoillinoisindianaiowakentuckymainemarylandmassachusettsmichiganminnesotamissourimontananebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-carolinasouth-dakotautahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.