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

Kentucky Warbler In Central Hardwoods

Kentucky Warbler in Central Hardwoods has risen sharply: up 63% on the route-weighted index since 1968.

+63%Since 1968
159Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Kentucky Warbler has risen sharply in Central Hardwoods: up 63% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Kentucky Warbler in Central Hardwoods is projected to stay roughly flat through 2029, near 3.6 (95% range 2.8–4.4). A 5-year backtest shows a typical error of ±6.4%, with 100% of held-out values landing inside the 95% band.

+4%Change by 2029
3.6Projected 2029 index
2.84.495% range
±6.4%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
20253.52.74.2
20263.52.74.3
20273.52.84.3
20283.62.84.3
20293.62.84.4

Routes In Central Hardwoods

Routes recording Kentucky Warbler in Central Hardwoods.
Mammoth Cave NorthKENTUCKY252013
Mammoth CaveKENTUCKY192014
Ozark NfARKANSAS162024
GeorgiaINDIANA162024
MarshallARKANSAS152021
HoosierINDIANA152024
Boston Mtn.ARKANSAS132024
SanduskyILLINOIS132023
CentervilleMISSOURI132024
CollinwoodTENNESSEE122024
JoyKENTUCKY112023
RupertARKANSAS102024
ComptonARKANSAS102022
Cross PlainsINDIANA102024
HegiraKENTUCKY102024
GranitevilleMISSOURI102024
Silver PtTENNESSEE102024
BelmontINDIANA92024
CorydonINDIANA92024
Rueter 2MISSOURI92024
RomeOHIO92024
Cave In RockILLINOIS82024
SyracuseMISSOURI82024
WilliamsvillMISSOURI82024
LincolnMISSOURI82024

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