Species · Texas · BBS 2025 Release · 1966–2024
Ferruginous Hawk Population Trend in Texas
Ferruginous Hawk in Texas has fallen sharply: down 60% on the route-weighted index since 1975.
-60%Since 1975
8Routes In State
38Years
Notable Ferruginous Hawk Trends in Texas
No notable trend signals for Ferruginous Hawk in Texas. See the full index history below.
Ferruginous Hawk Population Forecast in Texas
If the recent trend holds, Ferruginous Hawk in Texas is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.04). A 5-year backtest shows a typical error of ±83.7%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.00Projected 2029 index
0.00–0.0495% range
±83.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.01 | 0.00 | 0.04 |
| 2026 | 0.00 | 0.00 | 0.04 |
| 2027 | 0.00 | 0.00 | 0.04 |
| 2028 | 0.00 | 0.00 | 0.04 |
| 2029 | 0.00 | 0.00 | 0.04 |
Ferruginous Hawk Survey Routes in Texas
Ferruginous Hawk Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.