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Species · Oklahoma · BBS 2025 Release · 1966–2024

Snowy Egret Population Trend in Oklahoma

All statesWetland birds

Snowy Egret in Oklahoma has declined: down 48% on the route-weighted index since 1969.

-48%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 →
30Routes 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 →
46YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Snowy Egret 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 Snowy Egret in Oklahoma. See the full index history below.

Snowy Egret Population Forecast in Oklahoma

If the recent trend holds, Snowy Egret in Oklahoma is projected to rise about 60% by 2027 — from 0.16 in 2022 to a central estimate of 0.26 (95% range 0.00–1.7). A 5-year backtest shows a typical error of ±141.5%, with 100% of held-out values landing inside the 95% band.

+60%Change by 2027TrendPercent 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 →
0.26Projected 2027 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–1.795% 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 →
±141.5%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, Snowy Egret in Oklahoma is projected to rise about 60% by 2027 — from 0.16 in 2022 to a central estimate of 0.26 (95% range 0.00–1.7). A 5-year backtest shows a typical error of ±141.5%, with 100% of held-out values landing inside the 95% band.19672027
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 →
20230.270.001.8
20240.270.001.8
20250.260.001.8
20260.260.001.7
20270.260.001.7

Snowy Egret Survey Routes in Oklahoma

Routes recording Snowy Egret 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 →
Sickles2020212021
Phillips1219731969
Noble1120211984
Erick1020171997
Phroso819951995
Jet420221992
Randlett219931993
Cookietown220021992
Baron219991981
Indianola219931967
Choctaw220221976
Verden219921967
Peoria219941994
Goodwater220211992
Pocola220041992
Big Cedar120132013
Wichita Mtns East120092009
Ardmore119871987
Reed120162000
Canadian120001975
Holdenville120131992
Beggs120111984
Eagle City120102000
Welch120081989
Collinsville120101983

Snowy Egret Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianakansaslouisianamainemarylandmassachusettsmississippimissourinebraskanevadanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaoregonrhode-islandsouth-carolinasouth-dakotatennesseetexasutahvirginiawisconsinwyoming

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