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

Common Raven Population Trend in Wisconsin

All statesGeneralists

Common Raven in Wisconsin has surged: up 237% on the route-weighted index since 1968.

+237%Since 1968
62Routes In State
58Years

Notable Common Raven Trends in Wisconsin

long arc increasecomputed index

Common Raven has surged in Wisconsin: up 237% on the route-weighted index since 1968.

Common Raven Population Forecast in Wisconsin

If the recent trend holds, Common Raven in Wisconsin is projected to stay roughly flat through 2029, near 2.8 (95% range 1.9–3.6). A 5-year backtest shows a typical error of ±13.4%, with 100% of held-out values landing inside the 95% band.

-0%Change by 2029
2.8Projected 2029 index
1.9–3.695% range
±13.4%Backtest error
19662029
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
20252.71.83.5
20262.71.83.5
20272.71.93.6
20282.71.93.6
20292.81.93.6

Common Raven Survey Routes in Wisconsin

Routes recording Common Raven in Wisconsin.
Amberg2120241980
Conover2020241998
Mather1320231980
Flambeau1220241998
Grand View1120241967
Union Twp1120241971
Gilman1120241969
Gresham1020241998
Eagle River820241966
Wausaukee820241980
Land O' Lakes 2820242017
Cumberland720241972
Popple River720241966
Amnicon Falls720241998
Cadott620241977
Stevens Pt620221978
Weirgor Springs620242000
Cavour620241998
Chaffey520241966
Weyerhauser520241978
Phillips520241966
Casco520231994
Stetsonville520241990
Bayfield420241967
Land O Lakes420161967

Common Raven Population Trend in Other States

alaskaarizonacaliforniacoloradoconnecticutgeorgiaidahokentuckymainemarylandmassachusettsmichiganminnesotamontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinatennesseetexasutahvermontvirginiawashingtonwest-virginiawyoming

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