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

Northern Parula Population Trend in West Virginia

All statesForest birds

Northern Parula in West Virginia has risen sharply: up 52% on the route-weighted index since 1968.

+52%Since 1968
62Routes In State
58Years

Notable Northern Parula Trends in West Virginia

long arc increasecomputed index

Northern Parula has risen sharply in West Virginia: up 52% on the route-weighted index since 1968.

Northern Parula Population Forecast in West Virginia

If the recent trend holds, Northern Parula in West Virginia is projected to stay roughly flat through 2029, near 2.9 (95% range 2.0–3.9). A 5-year backtest shows a typical error of ±8.7%, with 100% of held-out values landing inside the 95% band.

+3%Change by 2029
2.9Projected 2029 index
2.0–3.995% range
±8.7%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
20252.92.03.8
20262.92.03.8
20272.92.03.8
20282.92.03.8
20292.92.03.9

Northern Parula Survey Routes in West Virginia

Routes recording Northern Parula in West Virginia.
Smithfield1620241993
Stollings1220211986
Fayetteville1219961980
Breeden1120241986
Strange Crk1020241982
Denmar920241980
Sugar Grove720161966
Yawkey620241966
Sutton620241976
Ghent520241978
Hanover520241980
Welch520231980
Nicut520241989
Olcott420241969
Ruthbelle420241975
Greer320231966
Albright319741966
Mt Storm319751968
Glade Run320021988
Bowden320241993
Hix220241970
Pedro220231979
Bramwell220221978
Hubbardstown220231982
Meadland220241997

Northern Parula Population Trend in Other States

alabamaarkansascaliforniaconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawisconsin

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