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Species · Florida · BBS 2026 Release · 1966–2025

Snowy Egret Population Trend in Florida

All statesWetland birds

Snowy Egret in Florida has fallen sharply: down 56% on the route-weighted index since 1968.

-56%Since 1968TrendPercent 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 →
100Routes 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 →
59YearsYears 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 FloridaNotable 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 declinecomputed 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 →

Snowy Egret has fallen sharply in Florida: down 56% on the route-weighted index since 1968.

Snowy Egret Population Forecast in Florida

If the recent trend holds, Snowy Egret in Florida is projected to rise about 44% by 2030 — from 1.4 in 2025 to a central estimate of 2.0 (95% range 0.00–4.7). A 5-year backtest shows a typical error of ±92.2%, with 100% of held-out values landing inside the 95% band.

+44%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 →
2.0Projected 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 →
0.00–4.795% 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 →
±92.2%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 Florida is projected to rise about 44% by 2030 — from 1.4 in 2025 to a central estimate of 2.0 (95% range 0.00–4.7). A 5-year backtest shows a typical error of ±92.2%, with 100% of held-out values landing inside the 95% band.19662030
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 →
20262.00.004.7
20272.00.004.7
20282.00.004.7
20292.00.004.7
20302.00.004.7

Snowy Egret Survey Routes in Florida

Routes recording Snowy Egret in Florida.
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 →
Shawano 212120112004
Wildernes Pk3020141993
Pinecrest2520251970
Sandy1920151987
Scottsmoor1620251968
St Vincent I1020251995
Kenansville920061968
Sunniland Gr820211966
Flamingo820251983
Covington720011979
Micanopy619781967
Romeo620241967
Boca Raton619821968
Pennywash Cr620181987
Pleasant Grove 2620222010
Merritt Isl620111992
Indiantown420151967
Andytown419941975
Pinetta420151988
Alva420231987
Weaver Stn420181993
Port St Joe 2420172015
Mabel 2420252012
Croom420041990
Webb420251990

Snowy Egret Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawaregeorgiaidahoillinoisindianakansaskentuckylouisianamainemarylandmassachusettsmississippimissourinebraskanevadanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaoklahomaoregonrhode-islandsouth-carolinasouth-dakotatennesseetexasutahvirginiawisconsinwyoming

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