Species · BCR 24 · BBS 2025 Release · 1966–2024

Warbling Vireo In Central Hardwoods

Warbling Vireo in Central Hardwoods has surged: up 129% on the route-weighted index since 1968.

+129%Since 1968
129Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Warbling Vireo has surged in Central Hardwoods: up 129% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Warbling Vireo in Central Hardwoods is projected to rise about 25% by 2029 — from 2.0 in 2024 to a central estimate of 2.5 (95% range 1.7–3.4). A 5-year backtest shows a typical error of ±21.3%, with 100% of held-out values landing inside the 95% band.

+25%Change by 2029
2.5Projected 2029 index
1.73.495% range
±21.3%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
20252.41.63.3
20262.51.63.3
20272.51.63.4
20282.51.73.4
20292.51.73.4

Routes In Central Hardwoods

Routes recording Warbling Vireo in Central Hardwoods.
BrownvilleILLINOIS112019
CentertonARKANSAS102024
YorkILLINOIS102024
SpencerINDIANA102024
BrazilINDIANA92024
Hodgenville 2KENTUCKY92023
PleasurevillKENTUCKY92024
WoodlandvilleMISSOURI92024
BirdsILLINOIS82024
GlencoeKENTUCKY82018
NewberryINDIANA72024
MerrimacKENTUCKY72024
JohnsonvilleKENTUCKY72021
Sewell ShopKENTUCKY72023
Million 2KENTUCKY72024
WhitewaterMISSOURI72024
RoyaltonILLINOIS62024
WashingtonINDIANA62024
Indian SpgsINDIANA62024
Clear SpringINDIANA62024
BoxvilleKENTUCKY61983
ShelbyvilleKENTUCKY61978
Buena VistaKENTUCKY62017
BremenILLINOIS52024
PimentoINDIANA52024

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