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

Lark Sparrow Population Trend in Utah

All statesGrassland birds

Lark Sparrow in Utah has surged: up 300% on the route-weighted index since 1970.

+300%Since 1970
102Routes In State
56Years

Notable Lark Sparrow Trends in Utah

long arc increasecomputed index

Lark Sparrow has surged in Utah: up 300% on the route-weighted index since 1970.

Lark Sparrow Population Forecast in Utah

If the recent trend holds, Lark Sparrow in Utah is projected to rise about 17% by 2029 — from 7.1 in 2024 to a central estimate of 8.3 (95% range 1.8–15). A 5-year backtest shows a typical error of ±13.5%, with 100% of held-out values landing inside the 95% band.

+17%Change by 2029
8.3Projected 2029 index
1.8–1595% range
±13.5%Backtest error
19682029
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
20258.11.615
20268.11.615
20278.21.715
20288.31.715
20298.31.815

Lark Sparrow Survey Routes in Utah

Routes recording Lark Sparrow in Utah.
Promontory7720241969
Leamington7520171992
Canyonlands3620061991
Wellington 33520242012
Wendover3520111969
Westwater2420241997
Pine Creek2220231997
Jensen2120241992
Grantsville2020242001
Goose Creek Mtn.1920232002
Notom1620241987
Vernal1620181999
Escalante1620241998
Wellington 21520112003
Timpie Spg1420031978
Willow Creek1420241986
Glen Canyon1420241991
Gold Hill1320241991
Vernon1320241992
Clive1320132002
Moquith Mtn1120241988
Hardware Ranch1120231994
Jericho Junction1120241997
Dragerton1020221986
Johnson Can1020241987

Lark Sparrow Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoidahoillinoisindianaiowakansaskentuckylouisianaminnesotamississippimissourimontananebraskanevadanew-mexiconorth-dakotaohiooklahomaoregonsouth-dakotatennesseetexaswashingtonwisconsinwyoming

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