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

Hooded Warbler Population Trend in West Virginia

All statesForest birds

Hooded Warbler in West Virginia has surged: up 183% on the route-weighted index since 1968.

+183%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 →
61Routes 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 Hooded Warbler 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 →

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 →

Hooded Warbler has surged in West Virginia: up 183% on the route-weighted index since 1968.

Hooded Warbler Population Forecast in West Virginia

If the recent trend holds, Hooded Warbler in West Virginia is projected to fall about 14% by 2030 — from 5.2 in 2025 to a central estimate of 4.5 (95% range 3.1–5.9). A 5-year backtest shows a typical error of ±13.2%, with 100% of held-out values landing inside the 95% band.

-14%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 →
4.5Projected 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 →
3.1–5.995% 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 →
±13.2%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, Hooded Warbler in West Virginia is projected to fall about 14% by 2030 — from 5.2 in 2025 to a central estimate of 4.5 (95% range 3.1–5.9). A 5-year backtest shows a typical error of ±13.2%, with 100% 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 →
20264.32.95.7
20274.32.95.7
20284.43.05.8
20294.43.05.8
20304.53.15.9

Hooded Warbler Survey Routes in West Virginia

Routes recording Hooded Warbler 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 →
Bowden2620251993
Strange Crk2320251982
Ghent2120251978
Fayetteville2119961980
Stollings1420211986
Three Forks1420251971
Hanover1320251980
Clear Creek1220251988
Welch1120251980
Yawkey1120241966
Meadowville1120251972
Canaan1020251974
Richwood1020251980
Valley Head920251966
Albright819741966
Hix720251971
Breeden720241986
Moundsville720251976
Smoot620251980
Ringgold520252025
Bismark520251976
Henderson520232002
Pt Pleasant420251995
Olcott420241967
Sutton420251976

Hooded Warbler Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianakentuckylouisianamarylandmassachusettsmichiganmississippimissourinew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinatennesseetexasvirginiawisconsin

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