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

Snowy Egret Population Trend in Arizona

All statesWetland birds

Snowy Egret in Arizona has edged up: up 14% on the route-weighted index since 1980.

+14%Since 1980
13Routes In State
30Years

Notable Snowy Egret Trends in Arizona

No notable trend signals for Snowy Egret in Arizona. See the full index history below.

Snowy Egret Population Forecast in Arizona

If the recent trend holds, Snowy Egret in Arizona is projected to rise about 52% by 2029 — from 0.09 in 2024 to a central estimate of 0.13 (95% range 0.00–0.39). A 5-year backtest shows a typical error of ±145%, with 80% of held-out values landing inside the 95% band.

+52%Change by 2029
0.13Projected 2029 index
0.00–0.3995% range
±145%Backtest error
19682029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.140.000.39
20260.130.000.39
20270.130.000.39
20280.130.000.39
20290.130.000.39

Snowy Egret Survey Routes in Arizona

Routes recording Snowy Egret in Arizona.
Red Rock719991999
Araby620221996
Carr Mtn420171986
Palo Verde320122004
Palo Verde 2320242019
Alpine220182012
Laguna220191979
Ajo220012001
Ajo 2220192019
Cutter 2120162015
Red Rock 2120192019
Florence119681968
Casa Grande120182002

Snowy Egret Population Trend in Other States

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

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