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

Pied-billed Grebe In Lower Great Lakes / St. Lawrence Plain

Pied-billed Grebe in Lower Great Lakes / St. Lawrence Plain has held roughly steady: up 5% on the route-weighted index since 1969.

+5%Since 1969
13Routes In Region
24Years

Notable Signals

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

Forecast

If the recent trend holds, Pied-billed Grebe in Lower Great Lakes / St. Lawrence Plain is projected to stay roughly flat through 2016, near 0.03 (95% range 0.00–0.10). A 5-year backtest shows a typical error of ±107.2%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2016
0.03Projected 2016 index
0.000.1095% range
±107.2%Backtest error
19672016
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
20120.030.000.10
20130.030.000.10
20140.030.000.10
20150.030.000.10
20160.030.000.10

Routes In Lower Great Lakes / St. Lawrence Plain

Routes recording Pied-billed Grebe in Lower Great Lakes / St. Lawrence Plain.
CastileNEW-YORK61978
North EastonNEW-YORK61990
Herner CrnsOHIO21998
Grand IsleVERMONT21972
RhinebeckNEW-YORK11969
OrleansNEW-YORK12011
E YoungstownNEW-YORK11974
WatertownNEW-YORK11997
N WilmurtNEW-YORK11977
WaddingtonNEW-YORK11998
PhiladelphiaNEW-YORK12009
Ferris CrnrsPENNSYLVANIA12000
North PownalVERMONT11980

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