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

Worm-eating Warbler In Central Hardwoods

All regionsCentral HardwoodsForest birds

Worm-eating Warbler in Central Hardwoods has surged: up 150% on the route-weighted index since 1968.

+150%Since 1968
100Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Worm-eating Warbler has surged in Central Hardwoods: up 150% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Worm-eating Warbler in Central Hardwoods is projected to rise about 151% by 2029 — from 0.32 in 2024 to a central estimate of 0.80 (95% range 0.41–1.2). A 5-year backtest shows a typical error of ±125.1%, with 20% of held-out values landing inside the 95% band.

+151%Change by 2029
0.80Projected 2029 index
0.41–1.295% range
±125.1%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
20250.760.371.2
20260.770.381.2
20270.780.391.2
20280.790.401.2
20290.800.411.2

Routes In Central Hardwoods

Routes recording Worm-eating Warbler in Central Hardwoods.
HoosierINDIANA132024
Mammoth Cave NorthKENTUCKY132013
Mammoth CaveKENTUCKY102014
MarshallARKANSAS52021
ClementineMISSOURI51996
Levee 2KENTUCKY42019
CascadeMISSOURI42023
TullahomaTENNESSEE42015
RupertARKANSAS32018
AvocaARKANSAS31967
LeveeKENTUCKY31980
IrontonMISSOURI31980
CollinwoodTENNESSEE32024
Lewis ForestTENNESSEE32024
Wheeler DamALABAMA22007
ElkmontALABAMA21999
Ozark NfARKANSAS22024
Boston Mtn.ARKANSAS22024
CelestineINDIANA22019
Clementine 2MISSOURI22007
Indian MoundTENNESSEE21987
WrigleyTENNESSEE22022
BradyvilleTENNESSEE22004
Trace CollinwoodTENNESSEE22018
Trace LewisTENNESSEE22017

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