Species · BCR 21 · BBS 2025 Release · 1966–2024
Common Poorwill In Oaks and Prairies
Common Poorwill in Oaks and Prairies has declined: down 42% on the route-weighted index since 1976.
-42%Since 1976
10Routes In Region
41Years
Notable Signals
No notable trend signals for Common Poorwill in Oaks and Prairies. See the full index history below.
Forecast
If the recent trend holds, Common Poorwill in Oaks and Prairies is projected to stay roughly flat through 2023, near 0.11 (95% range 0.00–0.29). A 5-year backtest shows a typical error of ±328.7%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2023
0.11Projected 2023 index
0.00–0.2995% range
±328.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2019 | 0.11 | 0.00 | 0.30 |
| 2020 | 0.11 | 0.00 | 0.30 |
| 2021 | 0.11 | 0.00 | 0.30 |
| 2022 | 0.11 | 0.00 | 0.29 |
| 2023 | 0.11 | 0.00 | 0.29 |
Routes In Oaks and Prairies
| Weatherford | TEXAS | 3 | 1978 |
| Cottonwood | TEXAS | 2 | 2008 |
| Olney | TEXAS | 2 | 1994 |
| Campbellton | TEXAS | 1 | 2005 |
| Arenosa Crk | TEXAS | 1 | 1988 |
| Selden | TEXAS | 1 | 1989 |
| Graford | TEXAS | 1 | 2018 |
| Albany | TEXAS | 1 | 1996 |
| Bruceville | TEXAS | 1 | 2018 |
| Whit Mtn. | TEXAS | 1 | 1997 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.