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Species · BCR 25 · BBS 2026 Release · 1966–2025

Snowy Egret In West Gulf Coastal Plain / Ouachitas

All regionsWest Gulf Coastal Plain / OuachitasWetland birds

Snowy Egret in West Gulf Coastal Plain / Ouachitas has edged down: down 21% on the route-weighted index since 1970.

-21%Since 1970TrendPercent 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 →
46Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
49YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable 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 West Gulf Coastal Plain / Ouachitas. See the full index history below.

Snowy Egret In West Gulf Coastal Plain / Ouachitas Population Forecast

If the recent trend holds, Snowy Egret in West Gulf Coastal Plain / Ouachitas is projected to stay roughly flat through 2030, near 0.32 (95% range 0.00–0.98). A 5-year backtest shows a typical error of ±533.5%, with 100% of held-out values landing inside the 95% band.

n/aChange 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 →
0.32Projected 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 →
0.00–0.9895% 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 →
±533.5%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 West Gulf Coastal Plain / Ouachitas is projected to stay roughly flat through 2030, near 0.32 (95% range 0.00–0.98). A 5-year backtest shows a typical error of ±533.5%, 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 →
20260.320.000.97
20270.320.000.97
20280.320.000.98
20290.320.000.98
20300.320.000.98

Routes In West Gulf Coastal Plain / Ouachitas

Routes recording Snowy Egret in West Gulf Coastal Plain / Ouachitas.
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 →
NatchitochesLOUISIANA311991
PhillipsOKLAHOMA121973
ChandlerTEXAS92004
FishvilleLOUISIANA82010
Mer RougeLOUISIANA32004
ManyLOUISIANA31989
EvelynLOUISIANA32024
Old MiloARKANSAS22001
Locust BayouARKANSAS22004
EastonLOUISIANA21989
LongstreetLOUISIANA22019
NatchezLOUISIANA22024
EnterpriseLOUISIANA22019
Lake CoveLOUISIANA22015
IndianolaOKLAHOMA21993
GoodwaterOKLAHOMA22021
PocolaOKLAHOMA22004
AthensTEXAS22023
StampsARKANSAS12014
HopeARKANSAS12023
AshdownARKANSAS12011
MassardARKANSAS12008
Poyen 2ARKANSAS12009
De RidderLOUISIANA12013
CypressLOUISIANA11987

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