BirdAnalyst
Species · New Mexico · BBS 2025 Release · 1966–2024

Snowy Egret Population Trend in New Mexico

All statesWetland birds

Snowy Egret in New Mexico has collapsed: down 92% on the route-weighted index since 1970.

-92%Since 1970
8Routes In State
24Years

Notable Snowy Egret Trends in New Mexico

long arc declinecomputed index

Snowy Egret has collapsed in New Mexico: down 92% on the route-weighted index since 1970.

Snowy Egret Population Forecast in New Mexico

If the recent trend holds, Snowy Egret in New Mexico is projected to stay roughly flat through 2029, near 0.12 (95% range 0.00–0.88). A 5-year backtest shows a typical error of ±1469.1%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.12Projected 2029 index
0.00–0.8895% range
±1469.1%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
20250.140.000.89
20260.130.000.89
20270.130.000.88
20280.130.000.88
20290.120.000.88

Snowy Egret Survey Routes in New Mexico

Routes recording Snowy Egret in New Mexico.
Mesilla620001993
San Antonio319771974
Maxwell220002000
Valencia219821968
Laborcita120191995
Red Rock119931993
Laborcita 2120242024
Jornada119811981

Snowy Egret Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianakansaslouisianamainemarylandmassachusettsmississippimissourinebraskanevadanew-jerseynew-yorknorth-carolinanorth-dakotaoklahomaoregonrhode-islandsouth-carolinasouth-dakotatennesseetexasutahvirginiawisconsinwyoming

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