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

American Avocet Population Trend in Oregon

All statesShorebirds

American Avocet in Oregon has held roughly steady: up 6% on the route-weighted index since 1972.

+6%Since 1972
22Routes In State
48Years

Notable American Avocet Trends in Oregon

No notable trend signals for American Avocet in Oregon. See the full index history below.

American Avocet Population Forecast in Oregon

If the recent trend holds, American Avocet in Oregon is projected to rise about 90% by 2029 — from 0.35 in 2024 to a central estimate of 0.68 (95% range 0.00–3.7). A 5-year backtest shows a typical error of ±611.1%, with 100% of held-out values landing inside the 95% band.

+90%Change by 2029
0.68Projected 2029 index
0.00–3.795% range
±611.1%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
20250.670.003.7
20260.670.003.7
20270.670.003.7
20280.670.003.7
20290.680.003.7

American Avocet Survey Routes in Oregon

Routes recording American Avocet in Oregon.
Warner Vally2820241994
Merrill2020221994
Trout Creek1120171998
Catlow Rim920222012
Modoc Point619901990
Ordnance319771977
Three Forks220162004
Blitzen 2220242000
Wagontire219711969
Malheur Nwr219971988
Blitzen219841984
Willow Spg219711969
Princeton219851972
Fish Lake220241976
Umatilla220231991
Lone Rock119961996
Crowley119891989
Alvord Lake120081983
Blizzard Gap120221985
Harney Lake120241993
Sheaville120182014
Flook Lake119981996

American Avocet Population Trend in Other States

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