Species · BCR 16 · BBS 2025 Release · 1966–2024
Common Poorwill In Southern Rockies / Colorado Plateau
Common Poorwill in Southern Rockies / Colorado Plateau has increased: up 39% on the route-weighted index since 1977.
+39%Since 1977
75Routes In Region
46Years
Notable Signals
No notable trend signals for Common Poorwill in Southern Rockies / Colorado Plateau. See the full index history below.
Forecast
If the recent trend holds, Common Poorwill in Southern Rockies / Colorado Plateau is projected to fall about 18% by 2029 — from 0.09 in 2024 to a central estimate of 0.07 (95% range 0.00–0.15). A 5-year backtest shows a typical error of ±33%, with 100% of held-out values landing inside the 95% band.
-18%Change by 2029
0.07Projected 2029 index
0.00–0.1595% range
±33%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.07 | 0.00 | 0.15 |
| 2026 | 0.07 | 0.00 | 0.15 |
| 2027 | 0.07 | 0.00 | 0.15 |
| 2028 | 0.07 | 0.00 | 0.15 |
| 2029 | 0.07 | 0.00 | 0.15 |
Routes In Southern Rockies / Colorado Plateau
| Claunch | NEW-MEXICO | 4 | 1999 |
| Nageesi | NEW-MEXICO | 3 | 1994 |
| Hatch | UTAH | 3 | 2005 |
| Navajo Trail | ARIZONA | 2 | 2024 |
| Uncompahgre | COLORADO | 2 | 2024 |
| Deadman Rd. | COLORADO | 2 | 2005 |
| Gold Hill 2 | COLORADO | 2 | 2024 |
| Claunch 2 | NEW-MEXICO | 2 | 2024 |
| Grizzly Rdge | UTAH | 2 | 2023 |
| Moquith Mtn | UTAH | 2 | 1999 |
| Shivwitz | UTAH | 2 | 2015 |
| Hanna | UTAH | 2 | 2004 |
| Fletcher Pk | WYOMING | 2 | 2015 |
| House Rock | ARIZONA | 1 | 2018 |
| Toroweap | ARIZONA | 1 | 2021 |
| Tsaile | ARIZONA | 1 | 1993 |
| Peach Spring | ARIZONA | 1 | 1994 |
| Yampa | COLORADO | 1 | 1986 |
| Douglas Pass | COLORADO | 1 | 1997 |
| Delta | COLORADO | 1 | 2009 |
| Wray Gulch | COLORADO | 1 | 2016 |
| Wilson Creek | COLORADO | 1 | 2004 |
| Willow Peak | COLORADO | 1 | 2017 |
| Doyleville | COLORADO | 1 | 2006 |
| Dunckley Pas | COLORADO | 1 | 2009 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.