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

Wilson's Phalarope Population Trend in Oregon

All statesShorebirds

Wilson's Phalarope in Oregon has collapsed: down 80% on the route-weighted index since 1971.

-80%Since 1971
41Routes In State
54Years

Notable Wilson's Phalarope Trends in Oregon

long arc declinecomputed index

Wilson's Phalarope has collapsed in Oregon: down 80% on the route-weighted index since 1971.

Wilson's Phalarope Population Forecast in Oregon

If the recent trend holds, Wilson's Phalarope in Oregon is projected to stay roughly flat through 2029, near 0.11 (95% range 0.00–0.72). A 5-year backtest shows a typical error of ±218.3%, with 80% of held-out values landing inside the 95% band.

n/aChange by 2029
0.11Projected 2029 index
0.00–0.7295% range
±218.3%Backtest error
19692029
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
20250.140.000.75
20260.130.000.74
20270.120.000.73
20280.120.000.72
20290.110.000.72

Wilson's Phalarope Survey Routes in Oregon

Routes recording Wilson's Phalarope in Oregon.
Catlow Rim6020212015
Fish Lake4220211972
Princeton1219851972
Lone Rock319981998
Malheur Nwr319881988
Joseph320221990
Malheur Res.320222022
Summit Pr220211986
Bridgeport219871987
Dell Spring219871979
Wagontire219711971
Buchanan219761976
Mount Vernon220181987
Clover Creek219951974
Blizzard Gap220231984
Harney Lake220241993
Sheaville220142014
Three Forks120112005
Blitzen 2120242000
Ordnance119771971
Albee120212021
Zumwalt120051995
Lapham Res.119941994
Crowley119891989
Modoc Point120011969

Wilson's Phalarope Population Trend in Other States

californiacoloradoidahoillinoisiowakansasminnesotamontananebraskanevadanew-mexiconorth-dakotaoklahomasouth-dakotatexasutahwashingtonwisconsinwyoming

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