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

Brown Thrasher In Central Hardwoods

Brown Thrasher in Central Hardwoods has declined: down 49% on the route-weighted index since 1968.

-49%Since 1968
163Routes In Region
58Years

Notable Signals

No notable trend signals for Brown Thrasher in Central Hardwoods. See the full index history below.

Forecast

If the recent trend holds, Brown Thrasher in Central Hardwoods is projected to stay roughly flat through 2029, near 3.2 (95% range 1.8–4.7). A 5-year backtest shows a typical error of ±7.2%, with 100% of held-out values landing inside the 95% band.

-0%Change by 2029
3.2Projected 2029 index
1.84.795% range
±7.2%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
20253.52.05.0
20263.42.04.9
20273.41.94.8
20283.31.84.8
20293.21.84.7

Routes In Central Hardwoods

Routes recording Brown Thrasher in Central Hardwoods.
BoxvilleKENTUCKY171983
CollinwoodTENNESSEE132024
Valhermoso SpgsALABAMA122010
GeorgiaINDIANA112024
Valhermoso Spg 2ALABAMA102014
BremenILLINOIS102024
Union HillTENNESSEE102024
GlenTENNESSEE102024
CentertonARKANSAS92024
PimentoINDIANA82024
DrakesboroKENTUCKY82003
Doe RunMISSOURI82024
ElkmontALABAMA72024
TrianaALABAMA72012
YellvilleARKANSAS72010
Sulphur LickKENTUCKY72024
MerrimacKENTUCKY72024
PlumKENTUCKY72024
MorganfieldKENTUCKY72024
PleasurevillKENTUCKY72024
MarshfieldMISSOURI72023
RomeOHIO72024
FultonARKANSAS62024
BirdsILLINOIS62022
BelknapILLINOIS62024

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