BirdAnalyst
Species · Florida · BBS 2025 Release · 1966–2024

Snowy Egret Population Trend in Florida

All statesWetland birds

Snowy Egret in Florida has fallen sharply: down 58% on the route-weighted index since 1968.

-58%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 →
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 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 58% 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 43% by 2029 — from 1.4 in 2024 to a central estimate of 2.1 (95% range 0.00–4.8). A 5-year backtest shows a typical error of ±104.6%, with 100% of held-out values landing inside the 95% band.

+43%Change by 2029TrendPercent 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 →
2.1Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–4.895% 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 →
±104.6%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, Snowy Egret in Florida is projected to rise about 43% by 2029 — from 1.4 in 2024 to a central estimate of 2.1 (95% range 0.00–4.8). A 5-year backtest shows a typical error of ±104.6%, with 100% of held-out values landing inside the 95% band.19662029
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 →
20252.10.004.8
20262.10.004.8
20272.10.004.8
20282.10.004.8
20292.10.004.8

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
Webb2620241990
Sandy1920151987
Holey Land1320241993
Devils Gardn1220241987
Mabel 21120192012
Kenansville920061968
Sunniland Gr820211966
Covington720011979
Micanopy619781967
Romeo620241967
Scottsmoor620241968
Boca Raton619821968
Pennywash Cr620181987
Pleasant Grove 2620222010
Merritt Isl620111992
St Lucie520241988
Ridge Harbor520241992
Indiantown420151967
Andytown419941975
Pinetta420151988
Alva420231987
Weaver Stn420181993
Port St Joe 2420172015

Snowy Egret Population Trend in Other States

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

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