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

Western Meadowlark Population Trend in Nevada

All statesGrassland birds

Western Meadowlark in Nevada has held roughly steady: down 2% on the route-weighted index since 1970.

-2%Since 1970TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
49Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
56YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Western Meadowlark Trends in NevadaNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

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

Western Meadowlark Population Forecast in Nevada

If the recent trend holds, Western Meadowlark in Nevada is projected to stay roughly flat through 2029, near 39 (95% range 18–60). A 5-year backtest shows a typical error of ±18.4%, with 100% of held-out values landing inside the 95% band.

-0%Change by 2029TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
39Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
18–6095% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±18.4%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Western Meadowlark in Nevada is projected to stay roughly flat through 2029, near 39 (95% range 18–60). A 5-year backtest shows a typical error of ±18.4%, with 100% of held-out values landing inside the 95% band.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 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
2025381759
2026381760
2027381760
2028391760
2029391860

Western Meadowlark Survey Routes in Nevada

Routes recording Western Meadowlark in Nevada.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Oreana17620032002
Midas13620241974
Chimney Res.13620242005
Toiyabe Nf12920241987
Majors Place9020241968
Charleston Reservoir8220242024
Sutcliffe7819721968
Virgin Creek7820181995
Ruby Valley 27620242004
Carson River6120022001
Humboldt Nf 26120242021
Sand Pass6020241987
Piute Mdws5920242005
Dinner Sta5919931968
Ruby Valley5620011997
Cortez4520241968
Ranchogrande4120241988
Mill City4120232013
Humboldt Nf4020191993
Mizpah3320241988
Gardnerville 22820242013
Rye Patch2519871968
Bald Mtn.2420241992
Walker Can2320241968
Darroughs Hot Spgs2320242000

Western Meadowlark Population Trend in Other States

arizonacaliforniacoloradoidahoillinoisindianaiowakansaskentuckymichiganminnesotamissourimontananebraskanew-mexiconew-yorknorth-dakotaohiooklahomaoregonpennsylvaniasouth-dakotatexasutahwashingtonwisconsinwyoming

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