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

Louisiana Waterthrush In Atlantic Northern Forest

All regionsAtlantic Northern ForestForest birds

Louisiana Waterthrush in Atlantic Northern Forest has surged: up 177% on the route-weighted index since 1968.

+177%Since 1968
39Routes In Region
57Years

Notable Signals

long arc increasecomputed index

Louisiana Waterthrush has surged in Atlantic Northern Forest: up 177% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Louisiana Waterthrush in Atlantic Northern Forest is projected to fall about 39% by 2029 — from 0.23 in 2024 to a central estimate of 0.14 (95% range 0.03–0.24). A 5-year backtest shows a typical error of ±52.2%, with 20% of held-out values landing inside the 95% band.

-39%Change by 2029
0.14Projected 2029 index
0.03–0.2495% range
±52.2%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
20250.130.030.24
20260.140.030.24
20270.140.030.24
20280.140.030.24
20290.140.030.24

Routes In Atlantic Northern Forest

Routes recording Louisiana Waterthrush in Atlantic Northern Forest.
WalpoleNEW-HAMPSHIRE42023
New HartfordCONNECTICUT21986
FitzwilliamNEW-HAMPSHIRE22024
HopkintonNEW-HAMPSHIRE22019
CanterburyNEW-HAMPSHIRE22024
MarlowNEW-HAMPSHIRE22024
PetersburgNEW-YORK22011
WarrensburgNEW-YORK22015
MarlboroVERMONT22024
GaysvilleVERMONT22008
New HartfordCONNECTICUT12023
HartfordMAINE12009
Turner 2MAINE12024
Brownfield 2MAINE12024
N OrangeMASSACHUSETTS12022
CummingtonMASSACHUSETTS12013
ChesterfieldMASSACHUSETTS12002
PittsfieldMASSACHUSETTS12000
SheffieldMASSACHUSETTS12022
MontereyMASSACHUSETTS12024
Cummington 2MASSACHUSETTS12024
HancockMASSACHUSETTS12015
PeterboroughNEW-HAMPSHIRE12023
ConcordNEW-HAMPSHIRE12019
Gilmantn I WNEW-HAMPSHIRE11992

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