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

Bald Eagle In Lower Great Lakes / St. Lawrence Plain

All regionsLower Great Lakes / St. Lawrence PlainGeneralists

Bald Eagle in Lower Great Lakes / St. Lawrence Plain has surged: up 556% on the route-weighted index since 2000.

+556%Since 2000
31Routes In Region
22Years

Notable Signals

long arc increasecomputed index

Bald Eagle has surged in Lower Great Lakes / St. Lawrence Plain: up 556% on the route-weighted index since 2000.

Forecast

If the recent trend holds, Bald Eagle in Lower Great Lakes / St. Lawrence Plain is projected to fall about 22% by 2029 — from 0.21 in 2024 to a central estimate of 0.16 (95% range 0.09–0.24). A 5-year backtest shows a typical error of ±40.3%, with 60% of held-out values landing inside the 95% band.

-22%Change by 2029
0.16Projected 2029 index
0.09–0.2495% range
±40.3%Backtest error
19932029
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
20250.140.070.22
20260.150.070.22
20270.150.080.23
20280.160.080.23
20290.160.090.24

Routes In Lower Great Lakes / St. Lawrence Plain

Routes recording Bald Eagle in Lower Great Lakes / St. Lawrence Plain.
PittsfieldOHIO22024
HarmonsburgPENNSYLVANIA22022
HighlandNEW-YORK12021
DuanesburgNEW-YORK12014
Oriskany FlsNEW-YORK12024
OrleansNEW-YORK12023
RushvilleNEW-YORK12021
BranchportNEW-YORK12014
Canadice LNEW-YORK12023
MendonNEW-YORK12024
CastileNEW-YORK12024
Cherry HillNEW-YORK12019
NashvilleNEW-YORK12018
ByronNEW-YORK12022
ChurchvilleNEW-YORK12022
PenfieldNEW-YORK11993
N Victory 2NEW-YORK12019
WatertownNEW-YORK12006
SalemNEW-YORK12021
NaplesNEW-YORK12022
MiddlefieldOHIO12006
LenoxOHIO12024
Herner CrnsOHIO12024
Valley CityOHIO12024
EspyvillePENNSYLVANIA12024

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