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

Nashville Warbler In Atlantic Northern Forest

Nashville Warbler in Atlantic Northern Forest has declined: down 37% on the route-weighted index since 1968.

-37%Since 1968
152Routes In Region
58Years

Notable Signals

No notable trend signals for Nashville Warbler in Atlantic Northern Forest. See the full index history below.

Forecast

If the recent trend holds, Nashville Warbler in Atlantic Northern Forest is projected to rise about 97% by 2029 — from 1.1 in 2024 to a central estimate of 2.1 (95% range 0.00–4.4). A 5-year backtest shows a typical error of ±146.7%, with 100% of held-out values landing inside the 95% band.

+97%Change by 2029
2.1Projected 2029 index
0.004.495% range
±146.7%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
20252.20.004.5
20262.20.004.5
20272.10.004.5
20282.10.004.5
20292.10.004.4

Routes In Atlantic Northern Forest

Routes recording Nashville Warbler in Atlantic Northern Forest.
NorthfieldMAINE771981
Pillsbury PdMAINE221968
Big Twenty 2MAINE222009
Heron LakeMAINE192003
Big TwentyMAINE182008
Forest StaMAINE162000
SabattisNEW-YORK161983
TopsfieldMAINE151996
Dixville Notch 2NEW-HAMPSHIRE142024
TelosMAINE132004
Horseshoe L.NEW-YORK132017
WaiteMAINE111977
Seboomook LkMAINE102014
Grnd Lk StrmMAINE102000
NesowadnehunMAINE102021
Dixvil NotchNEW-HAMPSHIRE102017
DegrasseNEW-YORK102024
AshlandMAINE92008
YankeetuladiMAINE92009
WarrenMAINE81990
Weeks BrookMAINE82016
Baker LakeMAINE82009
DebloisMAINE72007
InletNEW-YORK72017
BrooksMAINE62019

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