BirdAnalyst
Species · BCR 21 · BBS 2026 Release · 1966–2025

Yellow-billed Cuckoo In Oaks and Prairies

All regionsOaks and PrairiesForest birds

Yellow-billed Cuckoo in Oaks and Prairies has declined: down 37% on the route-weighted index since 1969.

-37%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 →
74Routes 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 Oaks and Prairies. See the full index history below.

Yellow-billed Cuckoo In Oaks and Prairies Population Forecast

If the recent trend holds, Yellow-billed Cuckoo in Oaks and Prairies is projected to stay roughly flat through 2030, near 7.1 (95% range 3.1–11). A 5-year backtest shows a typical error of ±6.7%, with 100% of held-out values landing inside the 95% band.

-9%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 →
7.1Projected 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 →
3.1–1195% 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 →
±6.7%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 Oaks and Prairies is projected to stay roughly flat through 2030, near 7.1 (95% range 3.1–11). A 5-year backtest shows a typical error of ±6.7%, 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 →
20267.73.712
20277.53.512
20287.43.411
20297.23.211
20307.13.111

Routes In Oaks and Prairies

Routes recording Yellow-billed Cuckoo in Oaks and Prairies.
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 →
HeyburnOKLAHOMA342025
BeggsOKLAHOMA212023
SkiatookOKLAHOMA212019
LydiaTEXAS212025
ArdmoreOKLAHOMA192025
PaigeTEXAS192025
HoldenvilleOKLAHOMA182025
Three RiversTEXAS182025
E GeorgetownTEXAS171979
AlbanyTEXAS172025
SeldenTEXAS162025
Thornton 2TEXAS142010
NobleOKLAHOMA122025
BarnsdallOKLAHOMA121977
ChoctawOKLAHOMA112023
Oak GroveTEXAS111999
OsageTEXAS112025
DuncanOKLAHOMA102025
OlneyTEXAS102024
Oak Grove 2TEXAS102025
Mill CreekOKLAHOMA92025
CampbelltonTEXAS92024
GauseTEXAS91997
HenriettaTEXAS92022
CarlosTEXAS92025

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