Species · BCR 35 · BBS 2025 Release · 1966–2024
Common Poorwill In Chihuahuan Desert
Common Poorwill in Chihuahuan Desert has edged down: down 13% on the route-weighted index since 1970.
-13%Since 1970
39Routes In Region
55Years
Notable Signals
No notable trend signals for Common Poorwill in Chihuahuan Desert. See the full index history below.
Forecast
If the recent trend holds, Common Poorwill in Chihuahuan Desert is projected to fall about 61% by 2029 — from 0.69 in 2024 to a central estimate of 0.27 (95% range 0.00–0.64). A 5-year backtest shows a typical error of ±38.7%, with 80% of held-out values landing inside the 95% band.
-61%Change by 2029
0.27Projected 2029 index
0.00–0.6495% range
±38.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.28 | 0.00 | 0.64 |
| 2026 | 0.27 | 0.00 | 0.64 |
| 2027 | 0.27 | 0.00 | 0.64 |
| 2028 | 0.27 | 0.00 | 0.64 |
| 2029 | 0.27 | 0.00 | 0.64 |
Routes In Chihuahuan Desert
| Gage | NEW-MEXICO | 5 | 2024 |
| Hatchet Peak | NEW-MEXICO | 5 | 2024 |
| Rodeo | NEW-MEXICO | 3 | 2024 |
| Devils R Cyn | TEXAS | 3 | 2017 |
| Valentine | TEXAS | 2 | 1987 |
| Slaughter | TEXAS | 2 | 2008 |
| Girvin | TEXAS | 2 | 2024 |
| Langtry | TEXAS | 2 | 1997 |
| Marfa | TEXAS | 2 | 2024 |
| San Antonio | NEW-MEXICO | 1 | 1977 |
| Roswell | NEW-MEXICO | 1 | 2019 |
| Cloudcroft | NEW-MEXICO | 1 | 1992 |
| Laborcita | NEW-MEXICO | 1 | 2016 |
| Red Rock | NEW-MEXICO | 1 | 2024 |
| Pinon | NEW-MEXICO | 1 | 2017 |
| Queen | NEW-MEXICO | 1 | 2021 |
| Columbus | NEW-MEXICO | 1 | 2024 |
| Escondida | NEW-MEXICO | 1 | 2015 |
| Lake Valley | NEW-MEXICO | 1 | 2012 |
| Sunshine Wll | NEW-MEXICO | 1 | 2022 |
| Comstock | TEXAS | 1 | 2023 |
| Hot Springs | TEXAS | 1 | 2008 |
| Black Gap | TEXAS | 1 | 2013 |
| Shafter | TEXAS | 1 | 1984 |
| Longfellow | TEXAS | 1 | 2001 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.