BirdAnalyst
Species · New Hampshire · BBS 2025 Release · 1966–2024

Eastern Meadowlark Population Trend in New Hampshire

All statesGrassland birds

Eastern Meadowlark in New Hampshire has collapsed: down 99% on the route-weighted index since 1968.

-99%Since 1968TrendPercent 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 →
25Routes 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 →
49YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

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

long arc declinecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Eastern Meadowlark has collapsed in New Hampshire: down 99% on the route-weighted index since 1968.

Eastern Meadowlark Population Forecast in New Hampshire

If the recent trend holds, Eastern Meadowlark in New Hampshire is projected to stay roughly flat through 2027, near 0.00 (95% range 0.00–1.0). A 5-year backtest shows a typical error of ±2603.3%, with 20% of held-out values landing inside the 95% band.

n/aChange by 2027TrendPercent 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 →
0.00Projected 2027 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–1.095% 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 →
±2603.3%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, Eastern Meadowlark in New Hampshire is projected to stay roughly flat through 2027, near 0.00 (95% range 0.00–1.0). A 5-year backtest shows a typical error of ±2603.3%, with 20% of held-out values landing inside the 95% band.19662027
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 →
20230.000.001.0
20240.000.001.0
20250.000.001.0
20260.000.001.0
20270.000.001.0

Eastern Meadowlark Survey Routes in New Hampshire

Routes recording Eastern Meadowlark in New Hampshire.
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 →
Wilmot519781968
Fitzwilliam419991966
Concord219981966
Marlow220051966
Lempster219971966
Stratford219951966
Peterborough119971966
Brentwood119981966
Dover120221966
Hopkinton120061966
Epsom119941966
Strafford119921967
Canterbury120011966
Gilmantn I W120011969
Mt Chocorua119911969
Walpole119891966
Crawford Not119721966
Jefferson Hl119911966
Franconia120021966
Milan120031966
Dixvil Notch120161966
Clarksville119761968
Glen119891976
East Kingston120181999
Dixville Notch 2120212021

Eastern Meadowlark Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsin

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