BirdAnalyst
Species · Wisconsin · BBS 2026 Release · 1966–2025

Rock Pigeon Population Trend in Wisconsin

All statesGeneralists

Rock Pigeon in Wisconsin has edged down: down 21% on the route-weighted index since 1968.

-21%Since 1968TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
92Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
59YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Rock Pigeon Trends in WisconsinNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Rock Pigeon in Wisconsin. See the full index history below.

Rock Pigeon Population Forecast in Wisconsin

If the recent trend holds, Rock Pigeon in Wisconsin is projected to rise about 22% by 2030 — from 15 in 2025 to a central estimate of 18 (95% range 8.5–27). A 5-year backtest shows a typical error of ±58.7%, with 80% of held-out values landing inside the 95% band.

+22%Change by 2030TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
18Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
8.5–2795% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±58.7%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Rock Pigeon in Wisconsin is projected to rise about 22% by 2030 — from 15 in 2025 to a central estimate of 18 (95% range 8.5–27). A 5-year backtest shows a typical error of ±58.7%, with 80% of held-out values landing inside the 95% band.19662030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
2026188.727
2027188.627
2028188.627
2029188.527
2030188.527

Rock Pigeon Survey Routes in Wisconsin

Routes recording Rock Pigeon in Wisconsin.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Stetsonville12920251990
Raymond9420251966
Omro7020011967
Eden7020251966
Omro 27020252002
Gresham5720251998
Wis Rapids5020231966
Pardeeville3820251967
Casco3720251966
Stratford3620251966
Grimms3420211998
Kiel3420251998
Manitowoc3220241967
N Andover3120251967
Wiota3120251966
New Lisbon3020251967
Bashaw2920251998
Hudson2720251966
Wausaukee2720251987
Unity2620251972
Pt Washingtn2420241966
Holway2319891967
Esdaile2220251966
Paris2220251966
Manawa2020251966

Rock Pigeon Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.