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
0.000.2395% range
±55.5%Backtest error
19662029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.100.000.22
20260.110.000.22
20270.110.000.23
20280.110.000.23
20290.110.000.23

Lark Sparrow Survey Routes in Tennessee

Routes recording Lark Sparrow in Tennessee.
Mansfield220241966
Humboldt220242021
Belotes Bend219701970
Bradyville219661966
Brownsville120232005
Tibbs120242002
Whiteville120122012
Sweetlips119871972
Silerton120022002
Collinwood120171968
Lewis Forest119701967
Petersburg120122012
Peytonsville119661966
Union Hill119831971
Glen120231973

Lark Sparrow Population Trend in Other States

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.