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

Northern House Wren In Appalachian Mountains

All regionsAppalachian MountainsForest birds

Northern House Wren in Appalachian Mountains has held roughly steady: up 5% on the route-weighted index since 1968.

+5%Since 1968
355Routes In Region
58Years

Notable Signals

No notable trend signals for Northern House Wren in Appalachian Mountains. See the full index history below.

Forecast

If the recent trend holds, Northern House Wren in Appalachian Mountains is projected to stay roughly flat through 2029, near 5.7 (95% range 3.4–7.9). A 5-year backtest shows a typical error of ±11.8%, with 100% of held-out values landing inside the 95% band.

-9%Change by 2029
5.7Projected 2029 index
3.4–7.995% range
±11.8%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
20255.93.68.1
20265.83.68.1
20275.83.58.0
20285.73.58.0
20295.73.47.9

Routes In Appalachian Mountains

Routes recording Northern House Wren in Appalachian Mountains.
SigelPENNSYLVANIA312024
Mt HopeNEW-YORK272010
DurhamNEW-YORK271976
SardisPENNSYLVANIA261974
WilliamsportMARYLAND252024
JenningsMARYLAND252024
DoverNEW-JERSEY252023
Mohican S.F.OHIO252024
RamseysburgNEW-JERSEY242024
CobleskillNEW-YORK242023
MeadowbrookOHIO242021
MiddletownPENNSYLVANIA242024
RamseyPENNSYLVANIA232023
Kemah LakeNEW-JERSEY222024
WestbrookvleNEW-YORK222019
DrydenNEW-YORK222024
CanadensisPENNSYLVANIA222024
PortersvillePENNSYLVANIA221988
BloomsburyNEW-JERSEY212024
KeeneOHIO212023
MillvillePENNSYLVANIA212024
RydePENNSYLVANIA212005
ScheafferstnPENNSYLVANIA212001
FinzelMARYLAND202024
WarwickNEW-YORK201974

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