Species · Mississippi · BBS 2025 Release · 1966–2024

Worm-eating Warbler Population Trend in Mississippi

Worm-eating Warbler in Mississippi has surged: up 194% on the route-weighted index since 1976.

+194%Since 1976
32Routes In State
43Years

Notable Worm-eating Warbler Trends in Mississippi

long arc increasecomputed index

Worm-eating Warbler has surged in Mississippi: up 194% on the route-weighted index since 1976.

Worm-eating Warbler Population Forecast in Mississippi

If the recent trend holds, Worm-eating Warbler in Mississippi is projected to rise about 38% by 2029 — from 0.32 in 2024 to a central estimate of 0.43 (95% range 0.11–0.76). A 5-year backtest shows a typical error of ±23.5%, with 80% of held-out values landing inside the 95% band.

+38%Change by 2029
0.43Projected 2029 index
0.110.7695% range
±23.5%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
20250.400.080.73
20260.410.090.73
20270.420.100.74
20280.430.100.75
20290.430.110.76

Worm-eating Warbler Survey Routes in Mississippi

Routes recording Worm-eating Warbler in Mississippi.
Grenada Lake420192016
Vicksburg Np420162016
Trace South420192018
Holly Springs420232018
Trace Hinds320212014
Trace Central320222015
Trace Madison220192015
Columbia219901982
Trace Attala220192016
Trace Choctaw220182018
Corinth220241980
Oak Ridge Vick220192015
Leaf River220082008
Embry220241991
Lake Mary119881976
Beverly120081967
Sandy Creek119941993
Lake Como120132008
Utica120152008
Lucien120131974
Fayette120081977
Cockrum120232023
Trace Lorman120192017
Duck Hill120241988
Forest120062000

Worm-eating Warbler Population Trend in Other States

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