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

Bank Swallow Population Trend in North Dakota

All statesAerial insectivores

Bank Swallow in North Dakota has held roughly steady: down 0% on the route-weighted index since 1969.

-0%Since 1969
51Routes In State
57Years

Notable Bank Swallow Trends in North Dakota

No notable trend signals for Bank Swallow in North Dakota. See the full index history below.

Bank Swallow Population Forecast in North Dakota

If the recent trend holds, Bank Swallow in North Dakota is projected to rise about 73% by 2029 — from 4.7 in 2024 to a central estimate of 8.2 (95% range 4.4–12). A 5-year backtest shows a typical error of ±29%, with 100% of held-out values landing inside the 95% band.

+73%Change by 2029
8.2Projected 2029 index
4.4–1295% range
±29%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
20257.94.112
20268.04.212
20278.14.312
20288.14.312
20298.24.412

Bank Swallow Survey Routes in North Dakota

Routes recording Bank Swallow in North Dakota.
Walcott7020231967
Bentley6620241988
Abercrombie3920121981
Rolla2020071972
Dunn Center2020221969
Bowesmont1619961968
Glen Ullin1620221982
Horsehead Lk1520221988
Webster1520242018
Carson1420211988
Cooperstown1020241969
Ft Yates1020011968
Denbigh920241970
Gorham919961968
Niles820151994
Sheyenne Lk720241982
Braddock720221988
Montpelier720242001
Abercrombie 2720172013
Forman520241973
Wimbledon420172014
Turtle Mtns420221980
Emerado320211974
Dickinson320241968
Parshall320081982

Bank Swallow Population Trend in Other States

alabamaalaskaarkansascaliforniacoloradoconnecticutdelawareidahoillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinaohiooklahomaoregonpennsylvaniarhode-islandsouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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