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Species · BCR 14 · BBS 2026 Release · 1966–2025

Eastern Meadowlark In Atlantic Northern Forest

All regionsAtlantic Northern ForestGrassland birds

Eastern Meadowlark in Atlantic Northern Forest 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 →
107Routes In RegionSurvey 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 SignalsNotable 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 Atlantic Northern Forest: down 99% on the route-weighted index since 1968.

Eastern Meadowlark In Atlantic Northern Forest Population Forecast

If the recent trend holds, Eastern Meadowlark in Atlantic Northern Forest is projected to fall about 100% by 2030 — from 0.07 in 2025 to a central estimate of 0.00 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±2818.4%, with 40% of held-out values landing inside the 95% band.

-100%Change by 2030TrendPercent 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 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–1.195% 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 →
±2818.4%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, Eastern Meadowlark in Atlantic Northern Forest is projected to fall about 100% by 2030 — from 0.07 in 2025 to a central estimate of 0.00 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±2818.4%, with 40% of held-out values landing inside the 95% band.19662030
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 →
20260.000.001.1
20270.000.001.1
20280.000.001.1
20290.000.001.1
20300.000.001.1

Routes In Atlantic Northern Forest

Routes recording Eastern Meadowlark in Atlantic Northern Forest.
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 →
FreedomMAINE61977
WilmotNEW-HAMPSHIRE51978
BentonMAINE41980
EastbrookMAINE41987
CastineMAINE41986
JeffersonMAINE42010
FitzwilliamNEW-HAMPSHIRE41999
Number FourNEW-YORK41995
SciotaNEW-YORK41989
HancockMAINE31997
N OrangeMASSACHUSETTS31980
Dexter LakeNEW-YORK31969
WatervilleVERMONT31980
Bowdoin CtrMAINE22013
WarrenMAINE21990
CambridgeMAINE22005
WytopitlockMAINE21978
RomeMAINE22010
PittsfieldMASSACHUSETTS21988
SheffieldMASSACHUSETTS21998
ConcordNEW-HAMPSHIRE21998
MarlowNEW-HAMPSHIRE22005
LempsterNEW-HAMPSHIRE21997
StratfordNEW-HAMPSHIRE21995
HighmarketNEW-YORK22025

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.