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

Eastern Phoebe Population Trend in Wisconsin

All statesAerial insectivores

Eastern Phoebe in Wisconsin has held roughly steady: up 1% on the route-weighted index since 1968.

+1%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 →
98Routes 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 →
58YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Eastern Phoebe 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 Eastern Phoebe in Wisconsin. See the full index history below.

Eastern Phoebe Population Forecast in Wisconsin

If the recent trend holds, Eastern Phoebe in Wisconsin is projected to rise about 84% by 2029 — from 2.0 in 2024 to a central estimate of 3.7 (95% range 1.3–6.2). A 5-year backtest shows a typical error of ±220.3%, with 0% of held-out values landing inside the 95% band.

+84%Change by 2029TrendPercent 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 →
3.7Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
1.3–6.295% 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 →
±220.3%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, Eastern Phoebe in Wisconsin is projected to rise about 84% by 2029 — from 2.0 in 2024 to a central estimate of 3.7 (95% range 1.3–6.2). A 5-year backtest shows a typical error of ±220.3%, with 0% of held-out values landing inside the 95% band.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 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 →
20253.61.26.1
20263.71.36.1
20273.71.36.1
20283.71.36.1
20293.71.36.2

Eastern Phoebe Survey Routes in Wisconsin

Routes recording Eastern Phoebe 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 →
Hatfield1519981970
Wausaukee1220241980
Union Twp720241966
Holway619891967
Gilmanton620241966
Paris620241966
Grand View520241966
Cumberland520241966
Weyerhauser520241966
Gilman520241966
Amberg520241980
Mather520231966
Omro520011967
Princeton520171966
Weirgor Springs520241999
Mukwonago520041999
Hudson420241966
Exeland420241968
Esdaile420241966
Cadott420241969
N Freedom420241966
Amnicon Falls420241998
Mellen420241998
Gresham420241998
Kiel420151998

Eastern Phoebe Population Trend in Other States

alabamaarkansascoloradoconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawyoming

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