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Species · Wisconsin · BBS 2025 Release · 1966–2024

American Coot Population Trend in Wisconsin

All statesWetland birds

American Coot in Wisconsin has collapsed: down 85% on the route-weighted index since 1969.

-85%Since 1969
27Routes In State
39Years

Notable American Coot Trends in Wisconsin

long arc declinecomputed index

American Coot has collapsed in Wisconsin: down 85% on the route-weighted index since 1969.

American Coot Population Forecast in Wisconsin

If the recent trend holds, American Coot in Wisconsin is projected to stay roughly flat through 2024, near 0.00 (95% range 0.00–0.17). A 5-year backtest shows a typical error of ±146%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2024
0.00Projected 2024 index
0.00–0.1795% range
±146%Backtest error
19672024
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
20200.000.000.17
20210.000.000.17
20220.000.000.17
20230.000.000.17
20240.000.000.17

American Coot Survey Routes in Wisconsin

Routes recording American Coot in Wisconsin.
Oconto Falls519981979
Omro 2420022002
Rolling Pr319751973
Eden319731967
Dresser220131984
Loraine219791969
Gilman219811981
Esdaile219771967
Unity220082008
Casco220022002
Pardeeville219941994
Beaver Dam219891969
Raymond219741969
Hudson120011968
Rib Lake120142014
Washington I119711971
Mather120022002
Wis Rapids119811981
Manawa120191973
Omro119931969
Manitowoc120102010
Flambeau120092009
Fall River120041967
Grimms119991999
Pt Washingtn120061978

American Coot Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutfloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamichiganminnesotamississippimissourimontananebraskanevadanew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniasouth-dakotatennesseetexasutahvermontwashingtonwest-virginiawyoming

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