BirdAnalyst
Species · BCR 16 · BBS 2025 Release · 1966–2024

Common Nighthawk In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauAerial insectivores

Common Nighthawk in Southern Rockies / Colorado Plateau has fallen sharply: down 53% on the route-weighted index since 1970.

-53%Since 1970
210Routes In Region
56Years

Notable Signals

long arc declinecomputed index

Common Nighthawk has fallen sharply in Southern Rockies / Colorado Plateau: down 52% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Common Nighthawk in Southern Rockies / Colorado Plateau is projected to fall about 58% by 2029 — from 1.4 in 2024 to a central estimate of 0.59 (95% range 0.00–2.2). A 5-year backtest shows a typical error of ±29%, with 100% of held-out values landing inside the 95% band.

-58%Change by 2029
0.59Projected 2029 index
0.00–2.295% range
±29%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
20250.830.002.4
20260.770.002.4
20270.710.002.3
20280.650.002.3
20290.590.002.2

Routes In Southern Rockies / Colorado Plateau

Routes recording Common Nighthawk in Southern Rockies / Colorado Plateau.
Claunch 2NEW-MEXICO502024
Rose WellsARIZONA141978
ToroweapARIZONA142019
ZeniffARIZONA121984
MesitaCOLORADO112024
CokedaleCOLORADO102024
WellingtonUTAH102002
Pinos CreekCOLORADO91990
Wilson CreekCOLORADO82024
BasinCOLORADO82023
Fletcher PkWYOMING82024
SawmillARIZONA72014
La CienegaNEW-MEXICO72022
Salt LakeNEW-MEXICO72001
Willow CreekUTAH72024
Lost Cr. ResUTAH72016
AlamosaCOLORADO62024
Buffalo ParkCOLORADO62023
PinonCOLORADO62024
La SalUTAH62000
Sybille CynWYOMING62024
AspenCOLORADO52010
RadiumCOLORADO52011
GardnerCOLORADO52024
ClaunchNEW-MEXICO52000

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