BirdAnalyst
Species · North Carolina · BBS 2025 Release · 1966–2024

Warbling Vireo Population Trend in North Carolina

All statesForest birds

Warbling Vireo in North Carolina has declined: down 26% on the route-weighted index since 1997.

-26%Since 1997
11Routes In State
20Years

Notable Warbling Vireo Trends in North Carolina

No notable trend signals for Warbling Vireo in North Carolina. See the full index history below.

Warbling Vireo Population Forecast in North Carolina

If the recent trend holds, Warbling Vireo in North Carolina is projected to stay roughly flat through 2029, near 0.02 (95% range 0.00–0.04). A 5-year backtest shows a typical error of ±39.8%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.02Projected 2029 index
0.00–0.0495% range
±39.8%Backtest error
19702029
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
20250.020.000.04
20260.020.000.04
20270.020.000.04
20280.020.000.04
20290.020.000.04

Warbling Vireo Survey Routes in North Carolina

Routes recording Warbling Vireo in North Carolina.
Sturgills220242011
Todd120002000
Lake Surf119981998
Roseboro120031997
Siloam120072007
Busick119941994
Mooresville 2120182018
Arcola120132013
Sheffield120182018
Madison119701970
Flay120222000

Warbling Vireo Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawareidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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