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Species · Oklahoma · BBS 2026 Release · 1966–2025

Bewick's Wren Population Trend in Oklahoma

All statesForest birds

Bewick's Wren in Oklahoma 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 →
63Routes 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 Bewick's Wren 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 Bewick's Wren in Oklahoma. See the full index history below.

Bewick's Wren Population Forecast in Oklahoma

If the recent trend holds, Bewick's Wren in Oklahoma is projected to stay roughly flat through 2030, near 2.7 (95% range 0.87–4.5). A 5-year backtest shows a typical error of ±251.1%, with 20% of held-out values landing inside the 95% band.

+7%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 →
2.7Projected 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 →
0.87–4.595% 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 →
±251.1%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, Bewick's Wren in Oklahoma is projected to stay roughly flat through 2030, near 2.7 (95% range 0.87–4.5). A 5-year backtest shows a typical error of ±251.1%, with 20% 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 →
20262.70.874.5
20272.70.874.5
20282.70.874.5
20292.70.874.5
20302.70.874.5

Bewick's Wren Survey Routes in Oklahoma

Routes recording Bewick's Wren 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 →
Colony1519951995
Duncan1320251986
Phroso1120251991
Choctaw1020191969
Tatums820251992
Mcalester619901968
Erick620241969
Hollis620251993
Wichita Mtns East620252004
Rosston520181976
Grimes420251967
Woodward420251992
Wichita Mts West420252004
Wichita Mtns419941994
Blanco320161968
Barnsdall319771967
Douglas319981967
Matoy320001992
Pocola320081994
Heyburn320251994
Sickles320181992
Skiatook320191982
Phillips220081974
Reed220191968
Eagle City220101969

Bewick's Wren Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoidahoillinoisindianaiowakansaskentuckymarylandmississippimissourinevadanew-mexiconorth-carolinaohiooregonpennsylvaniatennesseetexasutahvirginiawashingtonwest-virginiawisconsinwyoming

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