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

Black-throated Green Warbler In Central Hardwoods

All regionsCentral HardwoodsForest birds

Black-throated Green Warbler in Central Hardwoods has surged: up 493% on the route-weighted index since 1991.

+493%Since 1991
8Routes In Region
32Years

Notable Signals

long arc increasecomputed index

Black-throated Green Warbler has surged in Central Hardwoods: up 493% on the route-weighted index since 1991.

Forecast

If the recent trend holds, Black-throated Green Warbler in Central Hardwoods is projected to rise about 15% by 2029 — from 0.08 in 2024 to a central estimate of 0.09 (95% range 0.04–0.14). A 5-year backtest shows a typical error of ±35.6%, with 100% of held-out values landing inside the 95% band.

+15%Change by 2029
0.09Projected 2029 index
0.04–0.1495% range
±35.6%Backtest error
19882029
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
20250.080.030.13
20260.090.030.14
20270.090.040.14
20280.090.040.14
20290.090.040.14

Routes In Central Hardwoods

Routes recording Black-throated Green Warbler in Central Hardwoods.
HoosierINDIANA52024
Ozark NfARKANSAS22024
BelmontINDIANA22022
FultonARKANSAS11999
RudyARKANSAS12021
Boston Mtn.ARKANSAS12024
Clear SpringINDIANA12004
Peace ValleyMISSOURI11993

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