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

Mountain Bluebird Population Trend in North Dakota

All statesForest birds

Mountain Bluebird in North Dakota has surged: up 317% on the route-weighted index since 1974.

+317%Since 1974
11Routes In State
45Years

Notable Mountain Bluebird Trends in North Dakota

long arc increasecomputed index

Mountain Bluebird has surged in North Dakota: up 317% on the route-weighted index since 1974.

Mountain Bluebird Population Forecast in North Dakota

If the recent trend holds, Mountain Bluebird in North Dakota is projected to stay roughly flat through 2027, near 0.41 (95% range 0.00–0.87). A 5-year backtest shows a typical error of ±251.6%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2027
0.41Projected 2027 index
0.00–0.8795% range
±251.6%Backtest error
19712027
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
20230.390.000.85
20240.400.000.85
20250.400.000.86
20260.410.000.86
20270.410.000.87

Mountain Bluebird Survey Routes in North Dakota

Routes recording Mountain Bluebird in North Dakota.
Roosevelt Pk620191982
Tobacco320191971
Turtle Mtns220001994
Gorham120131991
Golva120081986
Dickinson119911989
Carpio120101999
Loraine119921992
Stanley120221988
Denbigh119951993
Zap119981998

Mountain Bluebird Population Trend in Other States

alaskaarizonacaliforniacoloradoidahomontananebraskanevadanew-mexicooregonsouth-dakotautahwashingtonwyoming

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