BirdAnalyst
Species · BCR 30 · BBS 2025 Release · 1966–2024

Northern Waterthrush In New England / Mid-Atlantic Coast

All regionsNew England / Mid-Atlantic CoastForest birds

Northern Waterthrush in New England / Mid-Atlantic Coast has increased: up 47% on the route-weighted index since 1968.

+47%Since 1968
37Routes In Region
57Years

Notable Signals

No notable trend signals for Northern Waterthrush in New England / Mid-Atlantic Coast. See the full index history below.

Forecast

If the recent trend holds, Northern Waterthrush in New England / Mid-Atlantic Coast is projected to fall about 14% by 2029 — from 0.08 in 2024 to a central estimate of 0.07 (95% range 0.01–0.13). A 5-year backtest shows a typical error of ±26.3%, with 100% of held-out values landing inside the 95% band.

-14%Change by 2029
0.07Projected 2029 index
0.01–0.1395% range
±26.3%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
20250.070.010.13
20260.070.010.13
20270.070.010.13
20280.070.010.13
20290.070.010.13

Routes In New England / Mid-Atlantic Coast

Routes recording Northern Waterthrush in New England / Mid-Atlantic Coast.
E HartlandCONNECTICUT21971
No WoodburyCONNECTICUT21998
Woodstock 2CONNECTICUT22024
BrentwoodNEW-HAMPSHIRE21997
MysticCONNECTICUT12002
UncasvilleCONNECTICUT12023
WoodstockCONNECTICUT12005
WillimanticCONNECTICUT12018
ShermanCONNECTICUT11980
DanburyCONNECTICUT12015
WarrenCONNECTICUT12008
Long HillCONNECTICUT12018
Mid HaddamCONNECTICUT12023
SouthingtonCONNECTICUT11985
GranbyCONNECTICUT12023
MarionMASSACHUSETTS12023
PrattvilleMASSACHUSETTS12018
BrocktonMASSACHUSETTS12015
LittletonMASSACHUSETTS12014
N OxfordMASSACHUSETTS12024
MansfieldMASSACHUSETTS12019
BelchertownMASSACHUSETTS12024
S BarreMASSACHUSETTS11985
HoldenMASSACHUSETTS12010
Warren 2MASSACHUSETTS12022

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