BirdAnalyst
Species · BCR 21 · BBS 2025 Release · 1966–2024

Yellow-billed Cuckoo In Oaks and Prairies

All regionsOaks and PrairiesGeneralists

Yellow-billed Cuckoo in Oaks and Prairies has declined: down 36% on the route-weighted index since 1969.

-36%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 →
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 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 fall about 23% by 2029 — from 9.4 in 2024 to a central estimate of 7.2 (95% range 3.2–11). A 5-year backtest shows a typical error of ±7.1%, with 100% of held-out values landing inside the 95% band.

-23%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 →
7.2Projected 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 →
3.2–1195% 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 →
±7.1%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 Oaks and Prairies is projected to fall about 23% by 2029 — from 9.4 in 2024 to a central estimate of 7.2 (95% range 3.2–11). A 5-year backtest shows a typical error of ±7.1%, with 100% 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 →
20257.83.812
20267.73.612
20277.53.512
20287.43.411
20297.23.211

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 →
NobleOKLAHOMA302024
HeyburnOKLAHOMA262024
AlbanyTEXAS242024
BeggsOKLAHOMA212023
SkiatookOKLAHOMA212019
Mill CreekOKLAHOMA202018
ArdmoreOKLAHOMA192009
Three RiversTEXAS192024
TatumsOKLAHOMA182024
E GeorgetownTEXAS171979
BurtonTEXAS162024
BonnerTEXAS152024
Thornton 2TEXAS142010
YoakumTEXAS142024
CayugaTEXAS132024
CarlosTEXAS132024
BriteTEXAS132024
ComancheTEXAS132024
HoldenvilleOKLAHOMA122024
BarnsdallOKLAHOMA121977
Oak Grove 2TEXAS122024
ChoctawOKLAHOMA112023
Arenosa CrkTEXAS112024
Oak GroveTEXAS111999
Mount ZionTEXAS112024

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