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

Warbling Vireo In Lower Great Lakes / St. Lawrence Plain

All regionsLower Great Lakes / St. Lawrence PlainForest birds

Warbling Vireo in Lower Great Lakes / St. Lawrence Plain has surged: up 197% on the route-weighted index since 1968.

+197%Since 1968
85Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Warbling Vireo has surged in Lower Great Lakes / St. Lawrence Plain: up 197% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Warbling Vireo in Lower Great Lakes / St. Lawrence Plain is projected to stay roughly flat through 2029, near 5.8 (95% range 4.0–7.5). A 5-year backtest shows a typical error of ±6.3%, with 100% of held-out values landing inside the 95% band.

+5%Change by 2029
5.8Projected 2029 index
4.0–7.595% range
±6.3%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
20255.63.97.4
20265.73.97.4
20275.73.97.5
20285.74.07.5
20295.84.07.5

Routes In Lower Great Lakes / St. Lawrence Plain

Routes recording Warbling Vireo in Lower Great Lakes / St. Lawrence Plain.
HarmonsburgPENNSYLVANIA242023
WatertownNEW-YORK232012
CastileNEW-YORK192024
ChurchvilleNEW-YORK192024
DuanesburgNEW-YORK182024
NashvilleNEW-YORK172018
OrleansNEW-YORK152024
MacdougallNEW-YORK132024
ByronNEW-YORK132024
HinesburgVERMONT131994
St JohnsburgNEW-YORK122024
SalemNEW-YORK122024
BalmatNEW-YORK122008
CayugaNEW-YORK112024
CrescentNEW-YORK112024
OneidaNEW-YORK102010
RushvilleNEW-YORK92024
West BangorNEW-YORK91999
PulaskiNEW-YORK82024
NaplesNEW-YORK82024
PittsfieldOHIO82024
Ferris CrnrsPENNSYLVANIA82024
Ballston LkNEW-YORK61995
E YoungstownNEW-YORK62023
N Victory 2NEW-YORK62021

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