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

Wood Duck Population Trend in Oregon

All statesWaterfowl

Wood Duck in Oregon has fallen sharply: down 50% on the route-weighted index since 1971.

-50%Since 1971
42Routes In State
52Years

Notable Wood Duck Trends in Oregon

long arc declinecomputed index

Wood Duck has fallen sharply in Oregon: down 50% on the route-weighted index since 1971.

Wood Duck Population Forecast in Oregon

If the recent trend holds, Wood Duck in Oregon is projected to stay roughly flat through 2029, near 0.14 (95% range 0.00–0.36). A 5-year backtest shows a typical error of ±125%, with 100% of held-out values landing inside the 95% band.

-4%Change by 2029
0.14Projected 2029 index
0.00–0.3695% range
±125%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
20250.140.000.36
20260.140.000.36
20270.140.000.36
20280.140.000.36
20290.140.000.36

Wood Duck Survey Routes in Oregon

Routes recording Wood Duck in Oregon.
Sandy River1220061996
Nicolai Mtn.1020241995
Modoc Point620181987
Dell Spring419841984
Emigrant Lk420011973
Ruch420162006
Umatilla420232021
Salado319881968
Days Creek320111977
Clearwater320212021
Hauser219791979
Winberry219731973
Bly 2220092009
Adair219751975
Dayton220051974
Garfield219981978
Bly219951994
Canby220141996
Waldport219971996
Catlow Rim220192019
Glasgow219961996
Chinchalo220241994
Timber119971997
Tualatin119951978
Santiam119991994

Wood Duck Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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