BirdAnalyst
Species · West Virginia · BBS 2025 Release · 1966–2024

American Robin Population Trend in West Virginia

All statesForest birds

American Robin in West Virginia has held roughly steady: down 5% on the route-weighted index since 1968.

-5%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 →
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 American Robin 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 American Robin in West Virginia. See the full index history below.

American Robin Population Forecast in West Virginia

If the recent trend holds, American Robin in West Virginia is projected to rise about 10% by 2029 — from 43 in 2024 to a central estimate of 48 (95% range 40–56). A 5-year backtest shows a typical error of ±18.2%, with 60% of held-out values landing inside the 95% band.

+10%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 →
48Projected 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 →
40–5695% 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 →
±18.2%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, American Robin in West Virginia is projected to rise about 10% by 2029 — from 43 in 2024 to a central estimate of 48 (95% range 40–56). A 5-year backtest shows a typical error of ±18.2%, 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 →
2025483956
2026483956
2027484056
2028484056
2029484056

American Robin Survey Routes in West Virginia

Routes recording American Robin 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 →
Mo Of Seneca10220241969
Ruthbelle9620241975
Meadland9420241997
Bramwell8520231978
Welch8120231980
Sugar Grove7820241966
Hanover7220241980
Monongah6920221966
Mt Storm6619751966
Sleepy Creek6619901966
Dailey6520241973
Clinton6120241966
Rockport6020241966
Hubbardstown5920231966
Paradise5820231966
Slate5520241980
Hix5320241970
Bebee5120241972
Moundsville5020241972
Sutton4920241976
Arlee4719791966
Spencer4720231986
Clear Creek4520241988
Berryburg4419961975
Greer4320231966

American Robin Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwisconsinwyoming

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