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

Common Poorwill In Northern Rockies

All regionsNorthern RockiesAerial insectivores

Common Poorwill in Northern Rockies has increased: up 28% on the route-weighted index since 1976.

+28%Since 1976
42Routes In Region
43Years

Notable Signals

No notable trend signals for Common Poorwill in Northern Rockies. See the full index history below.

Forecast

If the recent trend holds, Common Poorwill in Northern Rockies is projected to stay roughly flat through 2029, near 0.06 (95% range 0.01–0.10). A 5-year backtest shows a typical error of ±18.8%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.06Projected 2029 index
0.01–0.1095% range
±18.8%Backtest error
19722029
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
20250.060.010.10
20260.060.010.10
20270.060.010.10
20280.060.010.10
20290.060.010.10

Routes In Northern Rockies

Routes recording Common Poorwill in Northern Rockies.
RandolphUTAH32024
MeeteetseWYOMING32019
Black Rock 2WYOMING32023
Great DivideCOLORADO22022
LayCOLORADO22024
Clover CreekOREGON21997
Saleratus CrUTAH22018
Crawford MtsUTAH22010
SweetwaterWYOMING22009
Mtn ViewWYOMING21982
Prior FlatsWYOMING22006
MaybellCOLORADO12021
Browns ParkCOLORADO12015
Crane CreekIDAHO12019
WickiupOREGON12019
BridgeportOREGON12010
Silver CreekOREGON12018
UnityOREGON12023
Donelly 2OREGON12019
E. Bear LakeUTAH12022
Omak CreekWASHINGTON12017
DuboisWYOMING12015
NowoodWYOMING12003
FontenelleWYOMING11987
Bear CreekWYOMING12024

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