Species · BCR 26 · BBS 2025 Release · 1966–2024

Bank Swallow In Mississippi Alluvial Valley

Bank Swallow in Mississippi Alluvial Valley has collapsed: down 97% on the route-weighted index since 1980.

-97%Since 1980
5Routes In Region
25Years

Notable Signals

long arc declinecomputed index

Bank Swallow has collapsed in Mississippi Alluvial Valley: down 97% on the route-weighted index since 1980.

Forecast

If the recent trend holds, Bank Swallow in Mississippi Alluvial Valley is projected to stay roughly flat through 2026, near 0.00 (95% range 0.00–1.2). A 5-year backtest shows a typical error of ±596%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2026
0.00Projected 2026 index
0.001.295% range
±596%Backtest error
19782026
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
20220.000.001.2
20230.000.001.2
20240.000.001.2
20250.000.001.2
20260.000.001.2

Routes In Mississippi Alluvial Valley

Routes recording Bank Swallow in Mississippi Alluvial Valley.
BardwellKENTUCKY122002
PawpawTENNESSEE122011
South BendARKANSAS12021
MaynardARKANSAS12005
MoonMISSISSIPPI11998

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