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

Blue-winged Warbler In Lower Great Lakes / St. Lawrence Plain

All regionsLower Great Lakes / St. Lawrence PlainForest birds

Blue-winged Warbler in Lower Great Lakes / St. Lawrence Plain has declined: down 39% on the route-weighted index since 1968.

-39%Since 1968
69Routes In Region
58Years

Notable Signals

No notable trend signals for Blue-winged Warbler in Lower Great Lakes / St. Lawrence Plain. See the full index history below.

Forecast

If the recent trend holds, Blue-winged Warbler in Lower Great Lakes / St. Lawrence Plain is projected to rise about 56% by 2029 — from 0.48 in 2024 to a central estimate of 0.75 (95% range 0.11–1.4). A 5-year backtest shows a typical error of ±174.2%, with 80% of held-out values landing inside the 95% band.

+56%Change by 2029
0.75Projected 2029 index
0.11–1.495% range
±174.2%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
20250.750.111.4
20260.750.111.4
20270.750.111.4
20280.750.111.4
20290.750.111.4

Routes In Lower Great Lakes / St. Lawrence Plain

Routes recording Blue-winged Warbler in Lower Great Lakes / St. Lawrence Plain.
ShaftsburyVERMONT82000
BranchportNEW-YORK52024
Mt MorrisNEW-YORK52024
HarmonsburgPENNSYLVANIA42023
DuanesburgNEW-YORK32017
MendonNEW-YORK32008
Cherry HillNEW-YORK32019
OneidaNEW-YORK31997
StrongsvilleOHIO31983
North PownalVERMONT32011
CatskillsNEW-YORK22007
Ballston LkNEW-YORK21995
RomulusNEW-YORK21997
TrumansburgNEW-YORK22023
HamburgNEW-YORK22012
CastileNEW-YORK22024
NashvilleNEW-YORK22018
ClintonNEW-YORK22006
SalemNEW-YORK22021
North EastonNEW-YORK22007
NaplesNEW-YORK22024
Harris HillNEW-YORK22005
EspyvillePENNSYLVANIA22009
Ferris CrnrsPENNSYLVANIA22024
RhinebeckNEW-YORK12024

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