Species · BCR 13 · BBS 2025 Release · 1966–2024

Northern House Wren In Lower Great Lakes / St. Lawrence Plain

Northern House Wren in Lower Great Lakes / St. Lawrence Plain has risen sharply: up 63% on the route-weighted index since 1968.

+63%Since 1968
86Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Northern House Wren has risen sharply in Lower Great Lakes / St. Lawrence Plain: up 63% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Northern House Wren in Lower Great Lakes / St. Lawrence Plain is projected to fall about 12% by 2029 — from 15 in 2024 to a central estimate of 13 (95% range 9.4–17). A 5-year backtest shows a typical error of ±22.3%, with 60% of held-out values landing inside the 95% band.

-12%Change by 2029
13Projected 2029 index
9.41795% range
±22.3%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
2025139.317
2026139.317
2027139.417
2028139.417
2029139.417

Routes In Lower Great Lakes / St. Lawrence Plain

Routes recording Northern House Wren in Lower Great Lakes / St. Lawrence Plain.
HarmonsburgPENNSYLVANIA362023
DuanesburgNEW-YORK352024
Oriskany FlsNEW-YORK302024
ChurchvilleNEW-YORK302024
PenfieldNEW-YORK282024
PittsfieldOHIO282024
Canadice LNEW-YORK262024
NaplesNEW-YORK262024
LattasburgOHIO252024
LucerneOHIO242024
Valley CityOHIO232024
CastileNEW-YORK212024
CayugaNEW-YORK202024
HamburgNEW-YORK202024
ParishvilleNEW-YORK202024
Grand IsleVERMONT202024
N Victory 2NEW-YORK192021
WatertownNEW-YORK192012
North EastonNEW-YORK192024
HiramOHIO192021
N VictoryNEW-YORK181972
RhinebeckNEW-YORK172024
SheridanNEW-YORK172024
PulaskiNEW-YORK172024
OgdensburgNEW-YORK172024

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