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

Northern Bobwhite In Lower Great Lakes / St. Lawrence Plain

Northern Bobwhite in Lower Great Lakes / St. Lawrence Plain has collapsed: down 99% on the route-weighted index since 1968.

-99%Since 1968
40Routes In Region
47Years

Notable Signals

long arc declinecomputed index

Northern Bobwhite has collapsed in Lower Great Lakes / St. Lawrence Plain: down 99% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Northern Bobwhite in Lower Great Lakes / St. Lawrence Plain is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–1.5). A 5-year backtest shows a typical error of ±4717.2%, with 80% of held-out values landing inside the 95% band.

n/aChange by 2029
0.00Projected 2029 index
0.001.595% range
±4717.2%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
20250.000.001.5
20260.000.001.5
20270.000.001.5
20280.000.001.5
20290.000.001.5

Routes In Lower Great Lakes / St. Lawrence Plain

Routes recording Northern Bobwhite in Lower Great Lakes / St. Lawrence Plain.
StrongsvilleOHIO91976
New SomersetOHIO41993
TeeplevillePENNSYLVANIA41992
WaylandOHIO32001
MacdougallNEW-YORK21995
ClintonNEW-YORK21993
ArgyleNEW-YORK21977
RhinebeckNEW-YORK11996
RomulusNEW-YORK11972
TrumansburgNEW-YORK11992
OrleansNEW-YORK11980
RushvilleNEW-YORK12010
BranchportNEW-YORK11995
Canadice LNEW-YORK11989
Mt MorrisNEW-YORK12003
HamburgNEW-YORK11970
West SenecaNEW-YORK11998
St JohnsburgNEW-YORK12002
E YoungstownNEW-YORK11993
Cicero CtrNEW-YORK11977
Alder CreekNEW-YORK11976
SalemNEW-YORK11976
North EastonNEW-YORK12011
OgdensburgNEW-YORK11987
PittsfieldOHIO12010

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