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Species · Arkansas · BBS 2026 Release · 1966–2025

Yellow-billed Cuckoo Population Trend in Arkansas

All statesForest birds

Yellow-billed Cuckoo in Arkansas has declined: down 26% on the route-weighted index since 1969.

-26%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 →
62Routes 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 ArkansasNotable 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 Arkansas. See the full index history below.

Yellow-billed Cuckoo Population Forecast in Arkansas

If the recent trend holds, Yellow-billed Cuckoo in Arkansas is projected to stay roughly flat through 2030, near 6.7 (95% range 0.93–12). A 5-year backtest shows a typical error of ±19.9%, with 100% of held-out values landing inside the 95% band.

+6%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 →
6.7Projected 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 →
0.93–1295% 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 →
±19.9%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 Arkansas is projected to stay roughly flat through 2030, near 6.7 (95% range 0.93–12). A 5-year backtest shows a typical error of ±19.9%, 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 →
20267.11.413
20277.01.313
20286.91.213
20296.81.013
20306.70.9312

Yellow-billed Cuckoo Survey Routes in Arkansas

Routes recording Yellow-billed Cuckoo in Arkansas.
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 →
South Bend3320251967
Lockesburg2720192010
Kelso2520162010
Crows2419911967
Ravenden Springs2220152010
Blakely1819991968
Saffell1520191967
Lurton1520231969
Yellville1520252010
Hughes1420251967
Crowley'S Ridge1420252011
Princeton 21420222022
Stamps1320241967
Maynard1220251967
Sims1220242010
Waldron1120241967
Ashdown1020231967
Centerton1020252010
Stephens1020252010
Four Lakes1020011994
Dry Fork1020232000
Harrisburg920191967
Augusta920011967
Stark920251967
England920252010

Yellow-billed Cuckoo Population Trend in Other States

alabamaarizonacaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawest-virginiawisconsinwyoming

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