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Species · BCR 25 · BBS 2026 Release · 1966–2025

Eastern Meadowlark In West Gulf Coastal Plain / Ouachitas

All regionsWest Gulf Coastal Plain / OuachitasGrassland birds

Eastern Meadowlark in West Gulf Coastal Plain / Ouachitas has collapsed: down 90% on the route-weighted index since 1969.

-90%Since 1969TrendPercent 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 →
99Routes 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 →
58YearsYears 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 West Gulf Coastal Plain / Ouachitas: down 90% on the route-weighted index since 1969.

Eastern Meadowlark In West Gulf Coastal Plain / Ouachitas Population Forecast

If the recent trend holds, Eastern Meadowlark in West Gulf Coastal Plain / Ouachitas is projected to fall about 100% by 2030 — from 5.8 in 2025 to a central estimate of 0.00 (95% range 0.00–12). A 5-year backtest shows a typical error of ±346.8%, with 80% 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 →
0.00–1295% 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 →
±346.8%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 West Gulf Coastal Plain / Ouachitas is projected to fall about 100% by 2030 — from 5.8 in 2025 to a central estimate of 0.00 (95% range 0.00–12). A 5-year backtest shows a typical error of ±346.8%, with 80% of held-out values landing inside the 95% band.19672030
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 →
20260.000.0012
20270.000.0012
20280.000.0012
20290.000.0012
20300.000.0012

Routes In West Gulf Coastal Plain / Ouachitas

Routes recording Eastern Meadowlark in West Gulf Coastal Plain / Ouachitas.
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 →
PocolaOKLAHOMA872016
IndianolaOKLAHOMA852025
SandbluffOKLAHOMA452025
ChandlerTEXAS412004
MatoyOKLAHOMA392025
FillmoreLOUISIANA381989
CanadianOKLAHOMA332017
CypressLOUISIANA281987
StarkARKANSAS252025
DerryLOUISIANA251989
Fort PolkLOUISIANA221975
NatchitochesLOUISIANA201991
PhillipsOKLAHOMA192025
De QuincyLOUISIANA182021
HavanaARKANSAS162021
McalesterOKLAHOMA161991
Coal HillARKANSAS122023
CartervilleLOUISIANA121992
Chandler 2TEXAS122024
EastonLOUISIANA101990
De RidderLOUISIANA102019
Mer RougeLOUISIANA102008
BlancoOKLAHOMA92016
Liberty HillTEXAS92025
ManyLOUISIANA71992

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