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

Dickcissel In West Gulf Coastal Plain / Ouachitas

All regionsWest Gulf Coastal Plain / OuachitasGrassland birds

Dickcissel in West Gulf Coastal Plain / Ouachitas has declined: down 49% on the route-weighted index since 1969.

-49%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 →
75Routes 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 →

No notable trend signals for Dickcissel in West Gulf Coastal Plain / Ouachitas. See the full index history below.

Dickcissel In West Gulf Coastal Plain / Ouachitas Population Forecast

If the recent trend holds, Dickcissel in West Gulf Coastal Plain / Ouachitas is projected to fall about 45% by 2030 — from 7.4 in 2025 to a central estimate of 4.1 (95% range 0.00–10). A 5-year backtest shows a typical error of ±90.1%, with 100% of held-out values landing inside the 95% band.

-45%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 →
4.1Projected 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 →
0.00–1095% 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 →
±90.1%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, Dickcissel in West Gulf Coastal Plain / Ouachitas is projected to fall about 45% by 2030 — from 7.4 in 2025 to a central estimate of 4.1 (95% range 0.00–10). A 5-year backtest shows a typical error of ±90.1%, with 100% 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 →
20264.50.0011
20274.40.0011
20284.30.0010
20294.20.0010
20304.10.0010

Routes In West Gulf Coastal Plain / Ouachitas

Routes recording Dickcissel 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 →
IndianolaOKLAHOMA1402025
MatoyOKLAHOMA792025
PhillipsOKLAHOMA622025
SandbluffOKLAHOMA612025
PocolaOKLAHOMA502016
CanadianOKLAHOMA402017
AshdownARKANSAS292023
Mer RougeLOUISIANA182008
NatchitochesLOUISIANA171991
McalesterOKLAHOMA171991
BlancoOKLAHOMA142016
Coal HillARKANSAS132023
FillmoreLOUISIANA131989
SimsARKANSAS102025
GoodwaterOKLAHOMA82021
PushmatahaOKLAHOMA82023
WechesTEXAS82024
DerryLOUISIANA61989
Big CedarOKLAHOMA62024
AthensTEXAS62019
ChandlerTEXAS62004
MassardARKANSAS52022
HavanaARKANSAS52021
LockesburgARKANSAS52019
CypressLOUISIANA51987

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