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

American Coot Population Trend in Oregon

All statesWetland birds

American Coot in Oregon has surged: up 687% on the route-weighted index since 1971.

+687%Since 1971
43Routes In State
55Years

Notable American Coot Trends in Oregon

long arc increasecomputed index

American Coot has surged in Oregon: up 687% on the route-weighted index since 1971.

American Coot Population Forecast in Oregon

If the recent trend holds, American Coot in Oregon is projected to fall about 27% by 2029 — from 4.9 in 2024 to a central estimate of 3.6 (95% range 0.00–18). A 5-year backtest shows a typical error of ±476%, with 100% of held-out values landing inside the 95% band.

-27%Change by 2029
3.6Projected 2029 index
0.00–1895% range
±476%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
20253.50.0018
20263.60.0018
20273.60.0018
20283.60.0018
20293.60.0018

American Coot Survey Routes in Oregon

Routes recording American Coot in Oregon.
Warner Vally21420241993
Fish Lake12120241972
Catlow Rim11020241995
Blizzard Gap820241984
Monument719931993
Bly620011992
Lone Rock520151998
Malheur Nwr519981986
Madras420221998
Donnelly419951994
Barnes Val319851985
Elkton319761976
Battle Mtn319991988
Deschutes220242015
Dell Spring219831969
Fandango Can220172005
Joseph220171977
Princeton219851972
Unity220032000
Harney Lake220001995
Merrill220121994
Salem220102010
Glasgow220082008
Davis Lake220242023
Three Forks120112011

American Coot Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutfloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamichiganminnesotamississippimissourimontananebraskanevadanew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniasouth-dakotatennesseetexasutahvermontwashingtonwest-virginiawisconsinwyoming

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