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

Louisiana Waterthrush In New England / Mid-Atlantic Coast

All regionsNew England / Mid-Atlantic CoastForest birds

Louisiana Waterthrush in New England / Mid-Atlantic Coast has surged: up 194% on the route-weighted index since 1968.

+194%Since 1968
99Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Louisiana Waterthrush has surged in New England / Mid-Atlantic Coast: up 194% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Louisiana Waterthrush in New England / Mid-Atlantic Coast is projected to stay roughly flat through 2029, near 0.38 (95% range 0.23–0.54). A 5-year backtest shows a typical error of ±17.8%, with 100% of held-out values landing inside the 95% band.

-6%Change by 2029
0.38Projected 2029 index
0.23–0.5495% range
±17.8%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
20250.370.220.52
20260.370.220.52
20270.380.230.53
20280.380.230.53
20290.380.230.54

Routes In New England / Mid-Atlantic Coast

Routes recording Louisiana Waterthrush in New England / Mid-Atlantic Coast.
WarrenCONNECTICUT72011
Mid HaddamCONNECTICUT52024
WillimanticCONNECTICUT42018
GranbyCONNECTICUT32023
Tall TimbersMARYLAND32013
DavidsnvilleMARYLAND32024
Casimir Pulaski SfRHODE-ISLAND32016
WoodstockCONNECTICUT22007
ShermanCONNECTICUT22019
Long HillCONNECTICUT22019
SouthingtonCONNECTICUT22024
Woodstock 2CONNECTICUT22024
Lowes XrdsDELAWARE21974
Pepperbox 2DELAWARE22021
MatthewsMARYLAND22021
ViennaMARYLAND22010
SinepuxentMARYLAND21971
Island CreekMARYLAND22024
BelchertownMASSACHUSETTS22024
WarrenMASSACHUSETTS22005
S BarreMASSACHUSETTS22022
StraffordNEW-HAMPSHIRE22021
East KingstonNEW-HAMPSHIRE22024
PurdyNEW-YORK22021
SharpsVIRGINIA22022

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