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Species · West Virginia · BBS 2026 Release · 1966–2025

Ruby-throated Hummingbird Population Trend in West Virginia

All statesForest birds

Ruby-throated Hummingbird in West Virginia has edged up: up 17% on the route-weighted index since 1968.

+17%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 →
63Routes 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 Ruby-throated Hummingbird Trends in West VirginiaNotable 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 Ruby-throated Hummingbird in West Virginia. See the full index history below.

Ruby-throated Hummingbird Population Forecast in West Virginia

If the recent trend holds, Ruby-throated Hummingbird in West Virginia is projected to rise about 108% by 2030 — from 0.51 in 2025 to a central estimate of 1.1 (95% range 0.47–1.7). A 5-year backtest shows a typical error of ±114.3%, with 20% of held-out values landing inside the 95% band.

+108%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 →
1.1Projected 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 →
0.47–1.795% 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 →
±114.3%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, Ruby-throated Hummingbird in West Virginia is projected to rise about 108% by 2030 — from 0.51 in 2025 to a central estimate of 1.1 (95% range 0.47–1.7). A 5-year backtest shows a typical error of ±114.3%, with 20% 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 →
20261.00.431.6
20271.00.441.6
20281.00.451.6
20291.10.461.7
20301.10.471.7

Ruby-throated Hummingbird Survey Routes in West Virginia

Routes recording Ruby-throated Hummingbird in West Virginia.
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 →
Lost River720191996
Washburn520221974
Richwood420251982
Martinsburg420071966
Bramwell320221981
Paradise320071966
Cedarville320231986
Clinton320231966
Stollings220211994
Fayetteville219951980
Yawkey220191970
Moundsville220251972
Monongah220222000
Mcdonald220231987
Rio219931976
Bismark220251993
Hix120251993
Smoot120241980
Pedro120251994
Ghent120251990
Hanover120231984
Clear Creek120231988
Welch120251992
Breeden120241986
Pt Pleasant120251997

Ruby-throated Hummingbird Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawisconsin

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