Species · Oregon · BBS 2025 Release · 1966–2024
Snowy Egret Population Trend in Oregon
Snowy Egret in Oregon has fallen sharply: down 67% on the route-weighted index since 1977.
-67%Since 1977
6Routes In State
18Years
Notable Snowy Egret Trends in Oregon
long arc declinecomputed index
Snowy Egret has fallen sharply in Oregon: down 67% on the route-weighted index since 1977.
Snowy Egret Population Forecast in Oregon
If the recent trend holds, Snowy Egret in Oregon is projected to stay roughly flat through 2016, near 0.00 (95% range 0.00–0.14). A 5-year backtest shows a typical error of ±237.7%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2016
0.00Projected 2016 index
0.00–0.1495% range
±237.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2012 | 0.00 | 0.00 | 0.14 |
| 2013 | 0.00 | 0.00 | 0.14 |
| 2014 | 0.00 | 0.00 | 0.14 |
| 2015 | 0.00 | 0.00 | 0.14 |
| 2016 | 0.00 | 0.00 | 0.14 |
Snowy Egret Survey Routes in Oregon
| Princeton | 5 | 1979 | 1972 |
| Malheur Nwr | 3 | 1989 | 1989 |
| Fish Lake | 3 | 1994 | 1986 |
| Hazel Camp | 2 | 2006 | 1997 |
| Warner Vally | 1 | 2011 | 2002 |
| Blizzard Gap | 1 | 2002 | 1987 |
Snowy Egret Population Trend in Other States
alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianakansaslouisianamainemarylandmassachusettsmississippimissourinebraskanevadanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaoklahomarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvirginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.