Species · Texas · BBS 2025 Release · 1966–2024
Zone-tailed Hawk Population Trend in Texas
Zone-tailed Hawk in Texas has declined: down 36% on the route-weighted index since 1995.
-36%Since 1995
15Routes In State
22Years
Notable Zone-tailed Hawk Trends in Texas
No notable trend signals for Zone-tailed Hawk in Texas. See the full index history below.
Zone-tailed Hawk Population Forecast in Texas
If the recent trend holds, Zone-tailed Hawk in Texas is projected to stay roughly flat through 2029, near 0.01 (95% range 0.00–0.03). A 5-year backtest shows a typical error of ±44.7%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.01Projected 2029 index
0.00–0.0395% range
±44.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.01 | 0.00 | 0.03 |
| 2026 | 0.01 | 0.00 | 0.03 |
| 2027 | 0.01 | 0.00 | 0.03 |
| 2028 | 0.01 | 0.00 | 0.03 |
| 2029 | 0.01 | 0.00 | 0.03 |
Zone-tailed Hawk Survey Routes in Texas
| Leakey | 4 | 2017 | 2004 |
| Presidio | 1 | 2010 | 2010 |
| Pumpville | 1 | 2019 | 2019 |
| Prairie Mtn. | 1 | 2017 | 2008 |
| Allen Creek | 1 | 2022 | 2022 |
| Rockspring | 1 | 2024 | 1995 |
| Devils R Cyn | 1 | 2002 | 1999 |
| Harper | 1 | 2023 | 2023 |
| Toyahvale | 1 | 2019 | 2019 |
| Comstock | 1 | 2008 | 2001 |
| Indian Mtn | 1 | 2018 | 1989 |
| Casa Piedra | 1 | 2023 | 2023 |
| Montell | 1 | 2023 | 1997 |
| Bear Mtn | 1 | 1999 | 1998 |
| Utopia | 1 | 2023 | 1998 |
Zone-tailed Hawk Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.