Species · BCR 13 · BBS 2025 Release · 1966–2024

Louisiana Waterthrush In Lower Great Lakes / St. Lawrence Plain

Louisiana Waterthrush in Lower Great Lakes / St. Lawrence Plain has edged down: down 20% on the route-weighted index since 1970.

-20%Since 1970
33Routes In Region
56Years

Notable Signals

No notable trend signals for Louisiana Waterthrush in Lower Great Lakes / St. Lawrence Plain. See the full index history below.

Forecast

If the recent trend holds, Louisiana Waterthrush in Lower Great Lakes / St. Lawrence Plain is projected to stay roughly flat through 2029, near 0.10 (95% range 0.00–0.21). A 5-year backtest shows a typical error of ±172.8%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.10Projected 2029 index
0.000.2195% range
±172.8%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
20250.100.000.20
20260.100.000.21
20270.100.000.21
20280.100.000.21
20290.100.000.21

Routes In Lower Great Lakes / St. Lawrence Plain

Routes recording Louisiana Waterthrush in Lower Great Lakes / St. Lawrence Plain.
CatskillsNEW-YORK22011
GhentNEW-YORK22016
NaplesNEW-YORK21998
ShaftsburyVERMONT22024
RhinebeckNEW-YORK12018
HighlandNEW-YORK12000
W ShokanNEW-YORK12019
AusterlitzNEW-YORK12022
DuanesburgNEW-YORK12021
TrumansburgNEW-YORK12014
OrleansNEW-YORK11986
BranchportNEW-YORK12019
Canadice LNEW-YORK12021
Mt MorrisNEW-YORK12016
HamburgNEW-YORK11997
CastileNEW-YORK11984
RandolphNEW-YORK12014
SheridanNEW-YORK11970
Alder CreekNEW-YORK12002
N WilmurtNEW-YORK11986
ClintonNEW-YORK11998
ArgyleNEW-YORK12010
MiddlefieldOHIO12013
StrongsvilleOHIO11974
LenoxOHIO11979

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