Species · BCR 14 · BBS 2025 Release · 1966–2024

Winter Wren In Atlantic Northern Forest

Winter Wren in Atlantic Northern Forest has surged: up 107% on the route-weighted index since 1968.

+107%Since 1968
153Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Winter Wren has surged in Atlantic Northern Forest: up 107% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Winter Wren in Atlantic Northern Forest is projected to rise about 42% by 2029 — from 4.4 in 2024 to a central estimate of 6.2 (95% range 2.3–10). A 5-year backtest shows a typical error of ±58.9%, with 100% of held-out values landing inside the 95% band.

+42%Change by 2029
6.2Projected 2029 index
2.31095% range
±58.9%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
20256.02.19.9
20266.12.29.9
20276.12.210.0
20286.12.210
20296.22.310

Routes In Atlantic Northern Forest

Routes recording Winter Wren in Atlantic Northern Forest.
Pillsbury PdMAINE651968
TelosMAINE312006
InletNEW-YORK312017
WytopitlockMAINE291998
Seboomook LkMAINE252014
Carrying PlMAINE242024
Wilson MillsMAINE232024
Baker LakeMAINE232009
NesowadnehunMAINE222021
BaxterMAINE211988
Heron LakeMAINE212003
LudlowMAINE201998
ReedsMAINE182024
YankeetuladiMAINE182009
Clayton LakeMAINE162008
ClarksvilleNEW-HAMPSHIRE162024
St Regis FlsNEW-YORK162017
WashburnMAINE152005
WaiteMAINE141977
Big Twenty 2MAINE142009
Old ForgeNEW-YORK142006
CharlestonMAINE132019
Grnd Lk StrmMAINE132000
Jeffers NtchNEW-HAMPSHIRE132024
Dixville Notch 2NEW-HAMPSHIRE132024

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