BirdAnalyst
Species · Indiana · BBS 2025 Release · 1966–2024

Lark Sparrow Population Trend in Indiana

All statesGrassland birds

Lark Sparrow in Indiana has declined: down 38% on the route-weighted index since 1980.

-38%Since 1980
18Routes In State
26Years

Notable Lark Sparrow Trends in Indiana

No notable trend signals for Lark Sparrow in Indiana. See the full index history below.

Lark Sparrow Population Forecast in Indiana

If the recent trend holds, Lark Sparrow in Indiana is projected to rise about 37% by 2028 — from 0.07 in 2023 to a central estimate of 0.09 (95% range 0.00–0.21). A 5-year backtest shows a typical error of ±199%, with 100% of held-out values landing inside the 95% band.

+37%Change by 2028
0.09Projected 2028 index
0.00–0.2195% range
±199%Backtest error
19692028
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
20240.090.000.20
20250.090.000.20
20260.090.000.20
20270.090.000.20
20280.090.000.21

Lark Sparrow Survey Routes in Indiana

Routes recording Lark Sparrow in Indiana.
Cyprss620112009
Knox220232023
Kankakee Sands220182000
Crown Point220182001
Friendswood219971997
Newberry220191999
Washington120152015
Hebron120161989
Indian Spgs120182011
Corydon119801980
Vevay119691969
Portage 2120132013
Evansville119911976
Maplewood120212021
Pimento120232023
Wallace120182018
Spencer119941994
Milroy119911986

Lark Sparrow Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoidahoillinoisiowakansaskentuckylouisianaminnesotamississippimissourimontananebraskanevadanew-mexiconorth-dakotaohiooklahomaoregonsouth-dakotatennesseetexasutahwashingtonwisconsinwyoming

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