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

Common Nighthawk In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestAerial insectivores

Common Nighthawk in Northern Pacific Rainforest has collapsed: down 76% on the route-weighted index since 1970.

-76%Since 1970
84Routes In Region
56Years

Notable Signals

long arc declinecomputed index

Common Nighthawk has collapsed in Northern Pacific Rainforest: down 76% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Common Nighthawk in Northern Pacific Rainforest is projected to fall about 66% by 2029 — from 0.21 in 2024 to a central estimate of 0.07 (95% range 0.00–0.74). A 5-year backtest shows a typical error of ±37.4%, with 100% of held-out values landing inside the 95% band.

-66%Change by 2029
0.07Projected 2029 index
0.00–0.7495% range
±37.4%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
20250.150.000.81
20260.130.000.80
20270.110.000.78
20280.090.000.76
20290.070.000.74

Routes In Northern Pacific Rainforest

Routes recording Common Nighthawk in Northern Pacific Rainforest.
Cool CampOREGON82013
SantiamOREGON52024
Mt RainierWASHINGTON51993
ClearwaterOREGON42021
RaymondWASHINGTON42021
DerbyOREGON31984
Whiskey Spg.OREGON32015
HiouchiCALIFORNIA22004
ShellrockOREGON22022
Days CreekOREGON21972
DaytonOREGON21998
Hazel CampOREGON22012
Secret ValOREGON21991
Emigrant LkOREGON22000
Emigrant Lake 2OREGON22024
ProspectOREGON22023
Warm BeachWASHINGTON22000
KamilcheWASHINGTON22018
Bunker HillWASHINGTON21999
PackwoodWASHINGTON22023
Pe EllWASHINGTON22022
RainierWASHINGTON22018
CarnationWASHINGTON22008
Mitkof IsleALASKA12002
HyderALASKA12009

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