BirdAnalyst
Species · North Dakota · BBS 2025 Release · 1966–2024

Eared Grebe Population Trend in North Dakota

All statesWetland birds

Eared Grebe in North Dakota has surged: up 35× on the route-weighted index since 1970.

35×Since 1970
30Routes In State
52Years

Notable Eared Grebe Trends in North Dakota

long arc increasecomputed index

Eared Grebe has surged in North Dakota: up 35× on the route-weighted index since 1970.

Eared Grebe Population Forecast in North Dakota

If the recent trend holds, Eared Grebe in North Dakota is projected to stay roughly flat through 2029, near 4.9 (95% range 0.77–9.1). A 5-year backtest shows a typical error of ±107.8%, with 100% of held-out values landing inside the 95% band.

-2%Change by 2029
4.9Projected 2029 index
0.77–9.195% range
±107.8%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
20254.60.468.8
20264.70.548.8
20274.80.618.9
20284.80.699.0
20294.90.779.1

Eared Grebe Survey Routes in North Dakota

Routes recording Eared Grebe in North Dakota.
Wild Rose7620241982
Edgeley3520192010
Horsehead Lk2820241980
Montpelier1620191998
Braddock1220221989
Lakota 21220242013
Lake George1020211991
Sheyenne Lk1020241982
Buchanan820241967
Danzig420041982
Webster320221995
Wimbledon220101999
Lakota220091981
Niles220211993
Regan220152015
Dunn Center219971972
Loraine219991989
Stanley220161997
Bowman220181978
Bentley220132013
Powers Lake220231980
Danzig 2220242024
Forman119681968
Cooperstown120211972
Rolla120151981

Eared Grebe Population Trend in Other States

arizonacaliforniacoloradoidahoiowakansasminnesotamontananebraskanevadanew-mexicooklahomaoregonsouth-dakotatexasutahwashingtonwyoming

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