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Species · Oklahoma · BBS 2026 Release · 1966–2025

Pine Warbler Population Trend in Oklahoma

All statesForest birds

Pine Warbler in Oklahoma has surged: up 958% on the route-weighted index since 1969.

+958%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 →
13Routes 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 Pine Warbler 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 →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Pine Warbler has surged in Oklahoma: up 958% on the route-weighted index since 1969.

Pine Warbler Population Forecast in Oklahoma

If the recent trend holds, Pine Warbler in Oklahoma is projected to rise about 95% by 2030 — from 3.9 in 2025 to a central estimate of 7.7 (95% range 5.7–9.6). A 5-year backtest shows a typical error of ±26.6%, with 80% of held-out values landing inside the 95% band.

+95%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 →
7.7Projected 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 →
5.7–9.695% 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 →
±26.6%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, Pine Warbler in Oklahoma is projected to rise about 95% by 2030 — from 3.9 in 2025 to a central estimate of 7.7 (95% range 5.7–9.6). A 5-year backtest shows a typical error of ±26.6%, with 80% 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 →
20267.15.19.1
20277.35.39.2
20287.45.49.4
20297.55.59.5
20307.75.79.6

Pine Warbler Survey Routes in Oklahoma

Routes recording Pine Warbler 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 →
Ouachita Nf8820251991
Hee Mountain5920241999
Pushmataha4120231994
Big Cedar2920241967
Mt. Herman2920221998
Goodwater1520211992
Bethel1120251993
Sandbluff620251992
Blanco320161970
Baron120221993
Noble120252025
Pocola120081995
Colcord120181993

Pine Warbler Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianakentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinew-hampshirenew-jerseynew-yorknorth-carolinaohiopennsylvaniarhode-islandsouth-carolinatennesseetexasvermontvirginiawest-virginiawisconsin

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