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

Sora In Lower Great Lakes / St. Lawrence Plain

Sora in Lower Great Lakes / St. Lawrence Plain has edged down: down 16% on the route-weighted index since 1969.

-16%Since 1969
15Routes In Region
19Years

Notable Signals

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

Forecast

If the recent trend holds, Sora in Lower Great Lakes / St. Lawrence Plain is projected to stay roughly flat through 2029, near 0.02 (95% range 0.00–0.05). A 5-year backtest shows a typical error of ±58.9%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.02Projected 2029 index
0.000.0595% range
±58.9%Backtest error
19672029
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
20250.020.000.05
20260.020.000.05
20270.020.000.05
20280.020.000.05
20290.020.000.05

Routes In Lower Great Lakes / St. Lawrence Plain

Routes recording Sora in Lower Great Lakes / St. Lawrence Plain.
RhinebeckNEW-YORK11992
MendonNEW-YORK12005
CastileNEW-YORK11984
RandolphNEW-YORK11968
ByronNEW-YORK11990
Cicero CtrNEW-YORK11969
N WilmurtNEW-YORK11985
OneidaNEW-YORK11991
OgdensburgNEW-YORK12019
West BangorNEW-YORK11990
PhiladelphiaNEW-YORK12024
GarrettsvileOHIO11985
MiddlefieldOHIO11990
TeeplevillePENNSYLVANIA12011
BristolVERMONT12013

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