Species · Tennessee · BBS 2025 Release · 1966–2024
Lark Sparrow Population Trend in Tennessee
Lark Sparrow in Tennessee has surged: up 184% on the route-weighted index since 1968.
+184%Since 1968
15Routes In State
40Years
Notable Lark Sparrow Trends in Tennessee
long arc increasecomputed index
Lark Sparrow has surged in Tennessee: up 184% on the route-weighted index since 1968.
Lark Sparrow Population Forecast in Tennessee
If the recent trend holds, Lark Sparrow in Tennessee is projected to fall about 52% by 2029 — from 0.23 in 2024 to a central estimate of 0.11 (95% range 0.00–0.23). A 5-year backtest shows a typical error of ±55.5%, with 40% of held-out values landing inside the 95% band.
-52%Change by 2029
0.11Projected 2029 index
0.00–0.2395% range
±55.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.10 | 0.00 | 0.22 |
| 2026 | 0.11 | 0.00 | 0.22 |
| 2027 | 0.11 | 0.00 | 0.23 |
| 2028 | 0.11 | 0.00 | 0.23 |
| 2029 | 0.11 | 0.00 | 0.23 |
Lark Sparrow Survey Routes in Tennessee
| Mansfield | 2 | 2024 | 1966 |
| Humboldt | 2 | 2024 | 2021 |
| Belotes Bend | 2 | 1970 | 1970 |
| Bradyville | 2 | 1966 | 1966 |
| Brownsville | 1 | 2023 | 2005 |
| Tibbs | 1 | 2024 | 2002 |
| Whiteville | 1 | 2012 | 2012 |
| Sweetlips | 1 | 1987 | 1972 |
| Silerton | 1 | 2002 | 2002 |
| Collinwood | 1 | 2017 | 1968 |
| Lewis Forest | 1 | 1970 | 1967 |
| Petersburg | 1 | 2012 | 2012 |
| Peytonsville | 1 | 1966 | 1966 |
| Union Hill | 1 | 1983 | 1971 |
| Glen | 1 | 2023 | 1973 |
Lark Sparrow Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.