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

Ruby-throated Hummingbird Population Trend in Ohio

All statesGeneralists

Ruby-throated Hummingbird in Ohio has surged: up 338% on the route-weighted index since 1968.

+338%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 →
84Routes 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 Ruby-throated Hummingbird Trends in OhioNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Ruby-throated Hummingbird has surged in Ohio: up 338% on the route-weighted index since 1968.

Ruby-throated Hummingbird Population Forecast in Ohio

If the recent trend holds, Ruby-throated Hummingbird in Ohio is projected to rise about 146% by 2029 — from 0.40 in 2024 to a central estimate of 0.97 (95% range 0.56–1.4). A 5-year backtest shows a typical error of ±57.6%, with 60% of held-out values landing inside the 95% band.

+146%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 →
0.97Projected 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 →
0.56–1.495% 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 →
±57.6%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, Ruby-throated Hummingbird in Ohio is projected to rise about 146% by 2029 — from 0.40 in 2024 to a central estimate of 0.97 (95% range 0.56–1.4). A 5-year backtest shows a typical error of ±57.6%, with 60% 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 →
20250.930.521.3
20260.940.531.3
20270.950.541.4
20280.960.551.4
20290.970.561.4

Ruby-throated Hummingbird Survey Routes in Ohio

Routes recording Ruby-throated Hummingbird in Ohio.
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 →
Harveysburg519961966
Kings Creek420071994
Lenox320221966
Darrtown320211967
New Marshfld320181971
Coal Run319911970
Birmingham320241988
Kunkle220212006
N Baltimore220161978
Marion220231966
Dresden220231967
Winterset219821974
New Somerset219931978
Omega220221970
Cumberland220141971
Rome220241969
Scioto Furn220221992
Valley City220141996
Zaleski S.F.220221992
Tar Hollow220241992
Tick Ridge220111998
Lockport120211968
Napoleon120081985
Bloomville120221993
Kingsway120031971

Ruby-throated Hummingbird Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaoklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsin

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