BirdAnalyst
Species · Minnesota · BBS 2025 Release · 1966–2024

Pied-billed Grebe Population Trend in Minnesota

All statesWetland birds

Pied-billed Grebe in Minnesota has surged: up 116% on the route-weighted index since 1969.

+116%Since 1969
65Routes In State
57Years

Notable Pied-billed Grebe Trends in Minnesota

long arc increasecomputed index

Pied-billed Grebe has surged in Minnesota: up 116% on the route-weighted index since 1969.

Pied-billed Grebe Population Forecast in Minnesota

If the recent trend holds, Pied-billed Grebe in Minnesota is projected to stay roughly flat through 2029, near 0.40 (95% range 0.01–0.80). A 5-year backtest shows a typical error of ±151%, with 100% of held-out values landing inside the 95% band.

+6%Change by 2029
0.40Projected 2029 index
0.01–0.8095% range
±151%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
20250.400.010.79
20260.400.010.79
20270.400.010.79
20280.400.010.80
20290.400.010.80

Pied-billed Grebe Survey Routes in Minnesota

Routes recording Pied-billed Grebe in Minnesota.
Big Stone620121995
Sherburne Nr520241990
Courtland520241978
Chokio420241978
Maynard320061996
Tracy320182013
Greenbush320161996
Minnetonka220211976
Dawson220241975
Princeton220161970
Knapp220241970
Wigwam Bay220191969
Backus220222013
Cass Lake220161983
Lude220091989
Fairmont220032003
Le Center220161996
Glenwood220191993
Brainerd220111994
Bigfork219981993
Money Creek120131974
Hartland120012001
Huntley119851971
Ash Creek120161980
Tamarac Nwr120081991

Pied-billed Grebe Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganmississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniasouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwisconsinwyoming

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