BirdAnalyst
Species · BCR 5 · BBS 2025 Release · 1966–2024

Bank Swallow In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestAerial insectivores

Bank Swallow in Northern Pacific Rainforest has risen sharply: up 53% on the route-weighted index since 1974.

+53%Since 1974
27Routes In Region
38Years

Notable Signals

long arc increasecomputed index

Bank Swallow has risen sharply in Northern Pacific Rainforest: up 53% on the route-weighted index since 1974.

Forecast

If the recent trend holds, Bank Swallow in Northern Pacific Rainforest is projected to rise about 16% by 2029 — from 0.13 in 2024 to a central estimate of 0.15 (95% range 0.00–0.36). A 5-year backtest shows a typical error of ±341.7%, with 100% of held-out values landing inside the 95% band.

+16%Change by 2029
0.15Projected 2029 index
0.00–0.3695% range
±341.7%Backtest error
19692029
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
20250.150.000.35
20260.150.000.36
20270.150.000.36
20280.150.000.36
20290.150.000.36

Routes In Northern Pacific Rainforest

Routes recording Bank Swallow in Northern Pacific Rainforest.
Kenai Lake (Short)ALASKA361992
Copper RiverALASKA142011
HainesALASKA61995
OrleansCALIFORNIA52009
EverettWASHINGTON52024
Sheep MtnALASKA32007
Juneau AltALASKA21986
HopeALASKA21993
Hay ForkCALIFORNIA22010
Days CreekOREGON22014
GarfieldOREGON21978
South ElmaWASHINGTON22024
MukilteoWASHINGTON22024
JuneauALASKA12006
CordovaALASKA12011
YakutatALASKA12004
HyderALASKA12000
Crescent CtyCALIFORNIA12024
Fish RockCALIFORNIA11969
YrekaCALIFORNIA11984
WedderburnOREGON11989
DaytonOREGON11974
ProspectOREGON12022
Mt St HelensWASHINGTON11998
Bay ViewWASHINGTON12017

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