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Species · Indiana · BBS 2025 Release · 1966–2024

Horned Lark Population Trend in Indiana

All statesGrassland birds

Horned Lark in Indiana has declined: down 35% on the route-weighted index since 1968.

-35%Since 1968
65Routes In State
58Years

Notable Horned Lark Trends in Indiana

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

Horned Lark Population Forecast in Indiana

If the recent trend holds, Horned Lark in Indiana is projected to rise about 39% by 2029 — from 8.9 in 2024 to a central estimate of 12 (95% range 7.1–17). A 5-year backtest shows a typical error of ±44%, with 60% of held-out values landing inside the 95% band.

+39%Change by 2029
12Projected 2029 index
7.1–1795% range
±44%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
2025137.518
2026137.418
2027127.318
2028127.217
2029127.117

Horned Lark Survey Routes in Indiana

Routes recording Horned Lark in Indiana.
Sexton5120241981
Anderson3420242000
Tipton3019921966
Jamestown3020241986
Brookville2920241966
Newberry2720241999
Middlebury2620241989
W Lafayette2520241981
Witts Station2320242000
Thorntown2120241982
Montpelier2120242018
Kewanna1920221981
Berne1820241966
Shelbyville1820241983
Muncie1719971981
Packertown1620041967
New Brunswick1620242024
Wallace1520242000
Plainfield1519991999
Packertown 21320242005
Brazil1220241966
Frankfort1220221999
Decatur1220241999
Galveston1120241981
Wabash1120241981

Horned Lark Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawaregeorgiaidahoillinoisiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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