BirdAnalyst
Species · BCR 10 · BBS 2025 Release · 1966–2024

Common Nighthawk In Northern Rockies

All regionsNorthern RockiesAerial insectivores

Common Nighthawk in Northern Rockies has surged: up 127% on the route-weighted index since 1970.

+127%Since 1970
198Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Common Nighthawk has surged in Northern Rockies: up 126% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Common Nighthawk in Northern Rockies is projected to fall about 23% by 2029 — from 1.9 in 2024 to a central estimate of 1.5 (95% range 0.53–2.5). A 5-year backtest shows a typical error of ±23.9%, with 100% of held-out values landing inside the 95% band.

-23%Change by 2029
1.5Projected 2029 index
0.53–2.595% range
±23.9%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
20251.50.532.5
20261.50.532.5
20271.50.532.5
20281.50.532.5
20291.50.532.5

Routes In Northern Rockies

Routes recording Common Nighthawk in Northern Rockies.
Seedskadee 2WYOMING502024
Green RiverWYOMING311984
Carter 2WYOMING222024
Crawford MtsUTAH202023
SeedskadeeWYOMING172023
BoulderWYOMING162018
EtheteWYOMING122024
WorlandWYOMING122024
PathfinderWYOMING122024
Clover CreekOREGON112024
Black Rock 2WYOMING112024
Howard Mdws.OREGON102024
Malheur Res.OREGON92023
FontenelleWYOMING92024
ClarkWYOMING92023
LysiteWYOMING92024
LogdellOREGON82022
MonumentOREGON82024
Eagle RockOREGON71979
BarnhouseOREGON72024
KalispellMONTANA62022
Cramer CreekMONTANA62015
MadrasOREGON62023
KellerWASHINGTON62005
Elk HornWYOMING62018

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