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

Prothonotary Warbler In Central Hardwoods

All regionsCentral HardwoodsForest birds

Prothonotary Warbler in Central Hardwoods has increased: up 26% on the route-weighted index since 1968.

+26%Since 1968
100Routes In Region
58Years

Notable Signals

No notable trend signals for Prothonotary Warbler in Central Hardwoods. See the full index history below.

Forecast

If the recent trend holds, Prothonotary Warbler in Central Hardwoods is projected to stay roughly flat through 2029, near 0.35 (95% range 0.17–0.52). A 5-year backtest shows a typical error of ±32.5%, with 60% of held-out values landing inside the 95% band.

-3%Change by 2029
0.35Projected 2029 index
0.17–0.5295% range
±32.5%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
20250.340.170.52
20260.340.170.52
20270.340.170.52
20280.350.170.52
20290.350.170.52

Routes In Central Hardwoods

Routes recording Prothonotary Warbler in Central Hardwoods.
PulaskiILLINOIS92024
Beaverdam LkILLINOIS72023
Valhermoso Spg 2ALABAMA62014
Valhermoso SpgsALABAMA52010
Wheeler DamALABAMA52023
TrianaALABAMA52012
BelknapILLINOIS52024
JoyKENTUCKY52023
ApexKENTUCKY42024
BirdsILLINOIS32024
KarnakILLINOIS32023
PimentoINDIANA32023
MillersburgINDIANA32019
Indian SpgsINDIANA32024
CantonKENTUCKY32023
MorganfieldKENTUCKY32024
RiverqueenKENTUCKY32023
HillsboroALABAMA21993
CentertonARKANSAS22022
Clear SpringINDIANA22022
EvansvilleINDIANA22014
KeysburgKENTUCKY22018
Iron BridgeKENTUCKY21982
EastviewKENTUCKY22024
DrakesboroKENTUCKY21993

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