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Species · Oklahoma · BBS 2026 Release · 1966–2025

Yellow-billed Cuckoo Population Trend in Oklahoma

All statesForest birds

Yellow-billed Cuckoo in Oklahoma has edged down: 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 →
70Routes In StateSurvey 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 Yellow-billed Cuckoo Trends in OklahomaNotable 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 Oklahoma. See the full index history below.

Yellow-billed Cuckoo Population Forecast in Oklahoma

If the recent trend holds, Yellow-billed Cuckoo in Oklahoma is projected to fall about 27% by 2030 — from 11 in 2025 to a central estimate of 7.8 (95% range 3.1–13). A 5-year backtest shows a typical error of ±13.3%, with 100% of held-out values landing inside the 95% band.

-27%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 →
7.8Projected 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 →
3.1–1395% 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 →
±13.3%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 Oklahoma is projected to fall about 27% by 2030 — from 11 in 2025 to a central estimate of 7.8 (95% range 3.1–13). A 5-year backtest shows a typical error of ±13.3%, 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 →
20268.33.613
20278.23.513
20288.03.413
20297.93.313
20307.83.113

Yellow-billed Cuckoo Survey Routes in Oklahoma

Routes recording Yellow-billed Cuckoo in Oklahoma.
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 →
Ft Sill West4119941994
Heyburn3420251992
Blanco2720161967
Mcalester2619911967
Wichita Mtns2319941994
Baron2120231967
Beggs2120231967
Sandbluff2120251992
Colcord2120221992
Ft Sill East2119941994
Skiatook2120191982
Ardmore1920251967
Matoy1920251992
Pushmataha1920231994
Phillips1820251968
Holdenville1820251967
Keetonville1720221992
Woodward1720251992
Wichita Mtns East1720252004
Pocola1520161992
Hee Mountain1520241999
Wichita Mts West1420252004
Noble1220251967
Peoria1220231967
Barnsdall1219771967

Yellow-billed Cuckoo Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiopennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawest-virginiawisconsinwyoming

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