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Species · Oregon · BBS 2025 Release · 1966–2024

Long-billed Curlew Population Trend in Oregon

All statesShorebirds

Long-billed Curlew in Oregon has held roughly steady: up 4% on the route-weighted index since 1971.

+4%Since 1971
45Routes In State
55Years

Notable Long-billed Curlew Trends in Oregon

No notable trend signals for Long-billed Curlew in Oregon. See the full index history below.

Long-billed Curlew Population Forecast in Oregon

If the recent trend holds, Long-billed Curlew in Oregon is projected to fall about 33% by 2029 — from 0.80 in 2024 to a central estimate of 0.53 (95% range 0.00–1.5). A 5-year backtest shows a typical error of ±26.8%, with 100% of held-out values landing inside the 95% band.

-33%Change by 2029
0.53Projected 2029 index
0.00–1.595% range
±26.8%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
20250.580.001.5
20260.570.001.5
20270.560.001.5
20280.550.001.5
20290.530.001.5

Long-billed Curlew Survey Routes in Oregon

Routes recording Long-billed Curlew in Oregon.
Trout Creek2420211996
Catlow Rim2020241994
Malheur Nwr1520221986
Alvord Lake1320241969
Princeton1119851972
Adrian1120211985
Fish Lake720241972
Chinchalo720241993
Crane520241993
Summit Pr420241987
Warner Vally420241993
Bowden Hills420242017
Flook Lake420242024
Three Forks320192008
Bly 2320232010
Battle Mtn320242024
Blitzen 2220021996
Ordnance219791971
Albee220232013
Wickiup220221995
Fandango Can220121990
Joseph220232006
Sparta220011979
Montague220181974
Mount Vernon220121991

Long-billed Curlew Population Trend in Other States

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