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

Blue-headed Vireo Population Trend in Wisconsin

All statesForest birds

Blue-headed Vireo in Wisconsin has surged: up 518% on the route-weighted index since 1968.

+518%Since 1968
47Routes In State
58Years

Notable Blue-headed Vireo Trends in Wisconsin

long arc increasecomputed index

Blue-headed Vireo has surged in Wisconsin: up 518% on the route-weighted index since 1968.

Blue-headed Vireo Population Forecast in Wisconsin

If the recent trend holds, Blue-headed Vireo in Wisconsin is projected to rise about 61% by 2029 — from 0.47 in 2024 to a central estimate of 0.75 (95% range 0.36–1.1). A 5-year backtest shows a typical error of ±91%, with 80% of held-out values landing inside the 95% band.

+61%Change by 2029
0.75Projected 2029 index
0.36–1.195% range
±91%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
20250.720.331.1
20260.730.341.1
20270.730.351.1
20280.740.351.1
20290.750.361.1

Blue-headed Vireo Survey Routes in Wisconsin

Routes recording Blue-headed Vireo in Wisconsin.
Land O' Lakes 2620242017
Chaffey520241967
Iron River520241970
Grand View320241968
Minong220241967
Bayfield220231970
Montreal220241968
Loraine220181967
Gilman220162008
Phillips220131995
Rib Lake220101973
Eagle River220241966
Popple River220241970
Wausaukee220241982
Cavour220241998
Shanagolden120241975
Land O Lakes120161970
Pigeon Creek120241999
Dresser120182005
Union Twp120212003
Cumberland120181997
Weyerhauser119981998
Couderay120141994
Exeland120031995
Merrill120032002

Blue-headed Vireo Population Trend in Other States

alabamaconnecticutgeorgiakentuckymainemarylandmassachusettsmichiganminnesotanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiopennsylvaniarhode-islandsouth-carolinatennesseevermontvirginiawest-virginia

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