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Species · BCR 14 · BBS 2025 Release · 1966–2024

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 →
55YearsYears 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 stay roughly flat through 2029, near 0.00 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±3158.1%, with 40% of held-out values landing inside the 95% band.

n/aChange 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 →
0.00Projected 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 →
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 →
±3158.1%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 stay roughly flat through 2029, near 0.00 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±3158.1%, with 40% of held-out values landing inside the 95% band.19662029
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 →
20250.000.001.1
20260.000.001.1
20270.000.001.1
20280.000.001.1
20290.000.001.1

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-YORK22023

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