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

Yellow-billed Cuckoo In West Gulf Coastal Plain / Ouachitas

All regionsWest Gulf Coastal Plain / OuachitasForest birds

Yellow-billed Cuckoo in West Gulf Coastal Plain / Ouachitas has declined: down 25% on the route-weighted index since 1969.

-25%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 →
110Routes 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 Yellow-billed Cuckoo in West Gulf Coastal Plain / Ouachitas. See the full index history below.

Yellow-billed Cuckoo In West Gulf Coastal Plain / Ouachitas Population Forecast

If the recent trend holds, Yellow-billed Cuckoo in West Gulf Coastal Plain / Ouachitas is projected to fall about 41% by 2030 — from 8.0 in 2025 to a central estimate of 4.7 (95% range 0.00–12). A 5-year backtest shows a typical error of ±38.1%, with 80% of held-out values landing inside the 95% band.

-41%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 →
4.7Projected 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 →
±38.1%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, Yellow-billed Cuckoo in West Gulf Coastal Plain / Ouachitas is projected to fall about 41% by 2030 — from 8.0 in 2025 to a central estimate of 4.7 (95% range 0.00–12). A 5-year backtest shows a typical error of ±38.1%, 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 →
20265.50.0013
20275.30.0012
20285.10.0012
20294.90.0012
20304.70.0012

Routes In West Gulf Coastal Plain / Ouachitas

Routes recording Yellow-billed Cuckoo 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 →
LockesburgARKANSAS272019
BlancoOKLAHOMA272016
EnterpriseLOUISIANA262025
McalesterOKLAHOMA261991
CrowsARKANSAS241991
EvelynLOUISIANA242024
SandbluffOKLAHOMA212025
FredTEXAS212025
Union HillTEXAS202024
Big Sandy BithTEXAS202024
MatoyOKLAHOMA192025
PushmatahaOKLAHOMA192023
BlakelyARKANSAS181999
IvanLOUISIANA182013
PhillipsOKLAHOMA182025
SmyrnaTEXAS182010
Burr FerryLOUISIANA172025
NatchezLOUISIANA172025
PocolaOKLAHOMA152016
Hee MountainOKLAHOMA152024
Princeton 2ARKANSAS142022
Flat CreekLOUISIANA142025
Derry 2LOUISIANA142025
NatchitochesLOUISIANA141991
Fort JessupLOUISIANA142023

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