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

Blue Grosbeak Population Trend in West Virginia

All statesGeneralists

Blue Grosbeak in West Virginia has declined: down 28% on the route-weighted index since 1975.

-28%Since 1975
22Routes In State
46Years

Notable Blue Grosbeak Trends in West Virginia

No notable trend signals for Blue Grosbeak in West Virginia. See the full index history below.

Blue Grosbeak Population Forecast in West Virginia

If the recent trend holds, Blue Grosbeak in West Virginia is projected to fall about 48% by 2029 — from 0.14 in 2024 to a central estimate of 0.07 (95% range 0.00–0.21). A 5-year backtest shows a typical error of ±49.7%, with 100% of held-out values landing inside the 95% band.

-48%Change by 2029
0.07Projected 2029 index
0.00–0.2195% range
±49.7%Backtest error
19722029
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
20250.070.000.21
20260.070.000.21
20270.070.000.21
20280.070.000.21
20290.070.000.21

Blue Grosbeak Survey Routes in West Virginia

Routes recording Blue Grosbeak in West Virginia.
Paradise420091976
Meadowville319931986
Martinsburg320241973
Lost River220142014
Henderson220212021
Hix119841977
Smoot119861986
Pedro120211997
Hanover120242024
Pt Pleasant119951993
Spencer120182004
Shanghai120192014
Cedarville120112011
Strange Crk120132013
Richwood120241981
Sugar Grove120191972
Mo Of Seneca119761972
Slate120182018
Mcdonald119911988
Yellow Spg120141975
Rio119831976
Sleepy Creek119821982

Blue Grosbeak Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradodelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamarylandminnesotamississippimissourimontananebraskanevadanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniasouth-carolinasouth-dakotatennesseetexasutahvirginiawyoming

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