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

Bell's Vireo In Central Hardwoods

All regionsCentral HardwoodsForest birds

Bell's Vireo in Central Hardwoods has surged: up 235% on the route-weighted index since 1969.

+235%Since 1969
55Routes In Region
57Years

Notable Signals

long arc increasecomputed index

Bell's Vireo has surged in Central Hardwoods: up 234% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Bell's Vireo in Central Hardwoods is projected to fall about 25% by 2029 — from 0.33 in 2024 to a central estimate of 0.25 (95% range 0.12–0.38). A 5-year backtest shows a typical error of ±28%, with 40% of held-out values landing inside the 95% band.

-25%Change by 2029
0.25Projected 2029 index
0.12–0.3895% range
±28%Backtest error
19672029
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
20250.230.110.36
20260.240.110.37
20270.240.110.37
20280.240.120.37
20290.250.120.38

Routes In Central Hardwoods

Routes recording Bell's Vireo in Central Hardwoods.
RupertARKANSAS161993
PimentoINDIANA42024
MillersburgINDIANA42014
PulaskiILLINOIS32024
BrownvilleILLINOIS32024
SedaliaMISSOURI32024
FultonARKANSAS22024
CentertonARKANSAS22023
FarwellARKANSAS22018
YorkILLINOIS22024
RoyaltonILLINOIS22024
SwedenMISSOURI21985
LincolnMISSOURI22024
MillerMISSOURI22024
ZionARKANSAS12016
AvocaARKANSAS12022
RussellARKANSAS12021
RudyARKANSAS12018
Brnt PrairieILLINOIS12014
BirdsILLINOIS12024
BremenILLINOIS12022
BelknapILLINOIS12018
DelwoodILLINOIS12018
Beaverdam LkILLINOIS11970
BrazilINDIANA12024

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