Species · Minnesota · BBS 2025 Release · 1966–2024

Bank Swallow Population Trend in Minnesota

Bank Swallow in Minnesota has fallen sharply: down 74% on the route-weighted index since 1969.

-74%Since 1969
73Routes In State
57Years

Notable Bank Swallow Trends in Minnesota

long arc declinecomputed index

Bank Swallow has fallen sharply in Minnesota: down 74% on the route-weighted index since 1969.

Bank Swallow Population Forecast in Minnesota

If the recent trend holds, Bank Swallow in Minnesota is projected to stay roughly flat through 2029, near 1.8 (95% range 0.00–6.8). A 5-year backtest shows a typical error of ±63.2%, with 100% of held-out values landing inside the 95% band.

+9%Change by 2029
1.8Projected 2029 index
0.006.895% range
±63.2%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
20252.00.007.0
20262.00.007.0
20271.90.006.9
20281.80.006.8
20291.80.006.8

Bank Swallow Survey Routes in Minnesota

Routes recording Bank Swallow in Minnesota.
Whitewater 24920152014
Whitewater4020001994
Courtland3920241978
Money Creek3220191969
Appleton2720231978
Bena2019671967
Millville1820191967
Glyndon1320241978
Big Stone1320121995
Frontenac1220242009
Hartland1020171967
Edwards1020241981
Lude1020161978
Bagley1019951995
Arlington819731967
Cromwell820221972
Nebish819931988
Knapp720191967
St Stephen720161967
Bemidji719801979
Franklin720122012
Mahtowa719931993
Evergreen620241968
Tenney619961978
Chatfield519951967

Bank Swallow Population Trend in Other States

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