BirdAnalyst
Species · BCR 9 · BBS 2025 Release · 1966–2024

Bank Swallow In Great Basin

All regionsGreat BasinAerial insectivores

Bank Swallow in Great Basin has declined: down 42% on the route-weighted index since 1970.

-42%Since 1970
129Routes In Region
56Years

Notable Signals

No notable trend signals for Bank Swallow in Great Basin. See the full index history below.

Forecast

If the recent trend holds, Bank Swallow in Great Basin is projected to rise about 83% by 2029 — from 2.5 in 2024 to a central estimate of 4.6 (95% range 0.20–8.9). A 5-year backtest shows a typical error of ±131.5%, with 100% of held-out values landing inside the 95% band.

+83%Change by 2029
4.6Projected 2029 index
0.20–8.995% range
±131.5%Backtest error
19682029
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
20254.60.228.9
20264.60.218.9
20274.60.218.9
20284.60.208.9
20294.60.208.9

Routes In Great Basin

Routes recording Bank Swallow in Great Basin.
GardnervilleNEVADA1792005
Glenns FerryIDAHO1621986
PomonaWASHINGTON1001999
PocatelloIDAHO912019
Scootney ReservoirWASHINGTON802024
Hanford SiteWASHINGTON741996
MesaWASHINGTON712008
NighthawkWASHINGTON602024
UmatillaOREGON552023
PrestonIDAHO542023
YakimaWASHINGTON522024
Modoc PointOREGON472014
WapatoWASHINGTON412022
SpringfieldIDAHO352018
Pasadena ValIDAHO302016
LeadoreIDAHO252024
Ewan 2WASHINGTON202024
EllensburgWASHINGTON182024
Cedar HillIDAHO162024
OthelloWASHINGTON161991
Daniels ResIDAHO152016
MercerWASHINGTON152006
EwanWASHINGTON152019
Grouse CreekUTAH141983
CedarvilleCALIFORNIA132024

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