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

Western Meadowlark Population Trend in Idaho

All statesGrassland birds

Western Meadowlark in Idaho has declined: down 47% on the route-weighted index since 1970.

-47%Since 1970
55Routes In State
56Years

Notable Western Meadowlark Trends in Idaho

No notable trend signals for Western Meadowlark in Idaho. See the full index history below.

Western Meadowlark Population Forecast in Idaho

If the recent trend holds, Western Meadowlark in Idaho is projected to rise about 33% by 2029 — from 23 in 2024 to a central estimate of 31 (95% range 14–48). A 5-year backtest shows a typical error of ±56.4%, with 80% of held-out values landing inside the 95% band.

+33%Change by 2029
31Projected 2029 index
14–4895% range
±56.4%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
2025321549
2026321549
2027321549
2028311448
2029311448

Western Meadowlark Survey Routes in Idaho

Routes recording Western Meadowlark in Idaho.
Glenns Ferry25819861968
Dubois12720241968
Carey11920181989
Crane Creek8520191988
Daniels Res8020191988
Pasadena Val7820161987
Picabo5720211988
Lost River5320241985
Silver City5220241989
Kyle Canyon5120241985
Cedar Hill4220241989
Grangeville4119861986
Tractor Flat4120241985
Hot Spring4120141988
Preston4120231988
Blackft Res4020181984
Henry3919831973
Craters3320181979
Dougal Res3320241988
Triangle3220241985
Twin Buttes2820241985
Iron Springs2820241988
Almo2520231988
Bates2420231988
Acequia2120121979

Western Meadowlark Population Trend in Other States

arizonacaliforniacoloradoillinoisindianaiowakansaskentuckymichiganminnesotamissourimontananebraskanevadanew-mexiconew-yorknorth-dakotaohiooklahomaoregonpennsylvaniasouth-dakotatexasutahwashingtonwisconsinwyoming

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