BirdAnalyst
Species · South Carolina · BBS 2025 Release · 1966–2024

Horned Lark Population Trend in South Carolina

All statesGrassland birds

Horned Lark in South Carolina has fallen sharply: down 65% on the route-weighted index since 1985.

-65%Since 1985
17Routes In State
34Years

Notable Horned Lark Trends in South Carolina

long arc declinecomputed index

Horned Lark has fallen sharply in South Carolina: down 65% on the route-weighted index since 1985.

Horned Lark Population Forecast in South Carolina

If the recent trend holds, Horned Lark in South Carolina is projected to stay roughly flat through 2029, near 0.14 (95% range 0.00–0.47). A 5-year backtest shows a typical error of ±152.5%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.14Projected 2029 index
0.00–0.4795% range
±152.5%Backtest error
19832029
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
20250.160.000.49
20260.150.000.48
20270.150.000.48
20280.140.000.47
20290.140.000.47

Horned Lark Survey Routes in South Carolina

Routes recording Horned Lark in South Carolina.
Dillon520141992
Rome320232012
Wagener320121990
Joanna220001999
Ward220182018
Green Sea220232023
Anderson220022002
Holly Hill120162016
Nixville120101998
New Holland120051995
Bishopville120241983
Landrum119861986
Mount Pisgah120091998
Bennettsville120052005
Campobello120112011
Pinewood120142002
Chesnee120142004

Horned Lark Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawaregeorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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