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

Carolina Wren In Central Hardwoods

Carolina Wren in Central Hardwoods has surged: up 87% on the route-weighted index since 1968.

+87%Since 1968
166Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Carolina Wren has surged in Central Hardwoods: up 87% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Carolina Wren in Central Hardwoods is projected to stay roughly flat through 2029, near 17 (95% range 11–24). A 5-year backtest shows a typical error of ±34.1%, with 80% of held-out values landing inside the 95% band.

+9%Change by 2029
17Projected 2029 index
112495% range
±34.1%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
2025171023
2026171023
2027171023
2028171124
2029171124

Routes In Central Hardwoods

Routes recording Carolina Wren in Central Hardwoods.
TrianaALABAMA482012
CollinwoodTENNESSEE402024
Valhermoso SpgsALABAMA392010
PetersburgTENNESSEE382019
Cave In RockILLINOIS372024
Trace LewisTENNESSEE352017
CourtlandALABAMA332023
Valhermoso Spg 2ALABAMA332014
CampbellsvilleTENNESSEE332019
Wheeler DamALABAMA322023
Carter GroveALABAMA322023
Osage BeachMISSOURI322024
PulaskiILLINOIS312024
CelestineINDIANA312024
ScottsburgINDIANA312024
Bays ForkKENTUCKY292019
RomeOHIO292024
SwaimALABAMA282024
HustonvilleKENTUCKY282024
BradyvilleTENNESSEE282021
ElkmontALABAMA272024
WhitewaterMISSOURI272024
Silver PtTENNESSEE272024
GeorgiaINDIANA262024
White HouseTENNESSEE262019

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