BirdAnalyst
Species · BCR 25 · BBS 2025 Release · 1966–2024

Yellow-billed Cuckoo In West Gulf Coastal Plain / Ouachitas

All regionsWest Gulf Coastal Plain / OuachitasGeneralists

Yellow-billed Cuckoo in West Gulf Coastal Plain / Ouachitas has declined: down 27% on the route-weighted index since 1969.

-27%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 →
57YearsYears 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.

Forecast

If the recent trend holds, Yellow-billed Cuckoo in West Gulf Coastal Plain / Ouachitas is projected to fall about 62% by 2029 — from 12 in 2024 to a central estimate of 4.8 (95% range 0.00–12). A 5-year backtest shows a typical error of ±38.3%, with 80% of held-out values landing inside the 95% band.

-62%Change 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 →
4.8Projected 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 →
0.00–1295% 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 →
±38.3%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 62% by 2029 — from 12 in 2024 to a central estimate of 4.8 (95% range 0.00–12). A 5-year backtest shows a typical error of ±38.3%, with 80% of held-out values landing inside the 95% band.19672029
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 →
20255.60.0013
20265.40.0013
20275.20.0012
20285.00.0012
20294.80.0012

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 →
Ivan 2LOUISIANA362016
NanceARKANSAS342024
SandbluffOKLAHOMA301995
LockesburgARKANSAS272019
BlancoOKLAHOMA272016
McalesterOKLAHOMA261991
CrowsARKANSAS241991
EvelynLOUISIANA242024
MatoyOKLAHOMA202000
CaledoniaTEXAS202024
Union HillTEXAS202024
Big Sandy BithTEXAS202024
PushmatahaOKLAHOMA192023
CrossroadsTEXAS192024
BlakelyARKANSAS181999
Fishville 2LOUISIANA182024
IvanLOUISIANA182013
SmyrnaTEXAS182010
HaughtonLOUISIANA172024
Bon WierTEXAS172024
Dry Fork 2ARKANSAS162024
FredTEXAS162024
Mt. SelmanTEXAS162024
ClayLOUISIANA152024
Burr FerryLOUISIANA152024

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