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

Ruby-throated Hummingbird Population Trend in Wisconsin

All statesGeneralists

Ruby-throated Hummingbird in Wisconsin has surged: up 280% on the route-weighted index since 1968.

+280%Since 1968
97Routes In State
58Years

Notable Ruby-throated Hummingbird Trends in Wisconsin

long arc increasecomputed index

Ruby-throated Hummingbird has surged in Wisconsin: up 280% on the route-weighted index since 1968.

Ruby-throated Hummingbird Population Forecast in Wisconsin

If the recent trend holds, Ruby-throated Hummingbird in Wisconsin is projected to rise about 16% by 2029 — from 0.85 in 2024 to a central estimate of 0.99 (95% range 0.72–1.3). A 5-year backtest shows a typical error of ±24.2%, with 80% of held-out values landing inside the 95% band.

+16%Change by 2029
0.99Projected 2029 index
0.72–1.395% range
±24.2%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
20250.930.671.2
20260.950.691.2
20270.960.701.2
20280.970.711.2
20290.990.721.3

Ruby-throated Hummingbird Survey Routes in Wisconsin

Routes recording Ruby-throated Hummingbird in Wisconsin.
Rib Lake820241973
Union Twp720241978
Phillips620241966
Mather620231966
Popple River420241971
Hollister420191970
Iron River320241973
Couderay320191976
Exeland320221968
Holway319881968
Washington I320241967
Cadott320241968
Newburg Crns320181975
Weirgor Springs320191999
Mukwonago 2320242024
Chaffey220211980
Minong220231970
Hudson220112003
Irma220241969
Crandon220191967
Manawa220241971
Omro220011970
Viroqua220241979
New Lisbon220241967
Eden220241976

Ruby-throated Hummingbird Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginia

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