BirdAnalyst
Species · BCR 28 · BBS 2025 Release · 1966–2024

Winter Wren In Appalachian Mountains

All regionsAppalachian MountainsForest birds

Winter Wren in Appalachian Mountains has surged: up 25× on the route-weighted index since 1971.

25×Since 1971
125Routes In Region
55Years

Notable Signals

long arc increasecomputed index

Winter Wren has surged in Appalachian Mountains: up 25× on the route-weighted index since 1971.

Forecast

If the recent trend holds, Winter Wren in Appalachian Mountains is projected to stay roughly flat through 2029, near 0.39 (95% range 0.20–0.58). A 5-year backtest shows a typical error of ±17.3%, with 100% of held-out values landing inside the 95% band.

+1%Change by 2029
0.39Projected 2029 index
0.20–0.5895% range
±17.3%Backtest error
19692029
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
20250.370.180.55
20260.370.180.56
20270.380.190.56
20280.380.200.57
20290.390.200.58

Routes In Appalachian Mountains

Routes recording Winter Wren in Appalachian Mountains.
Glade RunWEST-VIRGINIA182002
Glade Run 2WEST-VIRGINIA142024
N. Mills RivNORTH-CAROLINA71995
Newfound GapTENNESSEE72024
Russell CityPENNSYLVANIA62024
PoyntellePENNSYLVANIA52024
Roulette 2PENNSYLVANIA52024
Cades CoveTENNESSEE52024
OdinPENNSYLVANIA42024
RoulettePENNSYLVANIA42021
SusquehannaPENNSYLVANIA42023
GladyWEST-VIRGINIA42024
BemisWEST-VIRGINIA42024
MeridaleNEW-YORK32024
Platte CoveNEW-YORK32018
SwainNEW-YORK32005
RasselasPENNSYLVANIA32021
LoguePENNSYLVANIA32023
HonesdalePENNSYLVANIA32023
EllentonPENNSYLVANIA32024
BerwickPENNSYLVANIA32000
TellicoTENNESSEE32022
Iron Mtn.VIRGINIA32010
McdonoughNEW-YORK22017
OneontaNEW-YORK22023

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