Species · BCR 17 · BBS 2025 Release · 1966–2024

Bank Swallow In Badlands and Prairies

Bank Swallow in Badlands and Prairies has held roughly steady: up 1% on the route-weighted index since 1969.

+1%Since 1969
77Routes In Region
57Years

Notable Signals

No notable trend signals for Bank Swallow in Badlands and Prairies. See the full index history below.

Forecast

If the recent trend holds, Bank Swallow in Badlands and Prairies is projected to rise about 59% by 2029 — from 1.5 in 2024 to a central estimate of 2.4 (95% range 0.46–4.3). A 5-year backtest shows a typical error of ±44.9%, with 80% of held-out values landing inside the 95% band.

+59%Change by 2029
2.4Projected 2029 index
0.464.395% range
±44.9%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
20252.30.404.2
20262.30.414.3
20272.40.434.3
20282.40.454.3
20292.40.464.3

Routes In Badlands and Prairies

Routes recording Bank Swallow in Badlands and Prairies.
SavageMONTANA962021
BentleyNORTH-DAKOTA662024
Dunn CenterNORTH-DAKOTA202022
Glen UllinNORTH-DAKOTA162022
MarcusSOUTH-DAKOTA162012
Eagle ButteSOUTH-DAKOTA152006
CarsonNORTH-DAKOTA142021
MayoworthWYOMING132024
NatronaWYOMING121992
PromiseSOUTH-DAKOTA112015
Ft YatesNORTH-DAKOTA102001
SeelyWYOMING101995
Gvnt ValleyWYOMING102017
GorhamNORTH-DAKOTA91996
ArvadaWYOMING82024
PowdervilleMONTANA72017
SundanceWYOMING72009
HayesSOUTH-DAKOTA62022
RiverviewWYOMING61997
CircleMONTANA52017
BadlandsSOUTH-DAKOTA52012
ForsythMONTANA42023
St XavierMONTANA42006
Cabin CreekMONTANA42024
HardingSOUTH-DAKOTA42012

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