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

Warbling Vireo Population Trend in West Virginia

All statesForest birds

Warbling Vireo in West Virginia has collapsed: down 78% on the route-weighted index since 1968.

-78%Since 1968
53Routes In State
58Years

Notable Warbling Vireo Trends in West Virginia

long arc declinecomputed index

Warbling Vireo has collapsed in West Virginia: down 78% on the route-weighted index since 1968.

Warbling Vireo Population Forecast in West Virginia

If the recent trend holds, Warbling Vireo in West Virginia is projected to fall about 20% by 2029 — from 0.38 in 2024 to a central estimate of 0.30 (95% range 0.00–0.91). A 5-year backtest shows a typical error of ±17.1%, with 100% of held-out values landing inside the 95% band.

-20%Change by 2029
0.30Projected 2029 index
0.00–0.9195% range
±17.1%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
20250.400.001.0
20260.370.000.98
20270.350.000.95
20280.330.000.93
20290.300.000.91

Warbling Vireo Survey Routes in West Virginia

Routes recording Warbling Vireo in West Virginia.
Martinsburg720241966
Yellow Spg620221972
Spencer420231986
Clendenin319861979
Mo Of Seneca320241969
Hix220231997
Wymer220142000
Pt Pleasant220231973
Meadland220171997
Olcott219751966
Mcdonald220171987
Berryburg219941975
Josephs Mill220231995
Smoot120212021
Glade Run119991988
Bowden120072007
Hanover120172017
Welch120172017
Glady120052005
Arlee119751969
Hubbardstown120041967
Nicut120211986
Bemis120162016
Paradise120231966
Yawkey119781968

Warbling Vireo Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawareidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-dakotatennesseetexasutahvermontvirginiawashingtonwisconsinwyoming

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