Species · Texas · BBS 2025 Release · 1966–2024
King Rail Population Trend in Texas
King Rail in Texas has fallen sharply: down 70% on the route-weighted index since 1969.
-70%Since 1969
14Routes In State
51Years
Notable King Rail Trends in Texas
long arc declinecomputed index
King Rail has fallen sharply in Texas: down 70% on the route-weighted index since 1969.
King Rail Population Forecast in Texas
If the recent trend holds, King Rail in Texas is projected to stay roughly flat through 2028, near 0.00 (95% range 0.00–0.10). A 5-year backtest shows a typical error of ±35%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2028
0.00Projected 2028 index
0.00–0.1095% range
±35%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.01 | 0.00 | 0.11 |
| 2025 | 0.01 | 0.00 | 0.11 |
| 2026 | 0.01 | 0.00 | 0.11 |
| 2027 | 0.00 | 0.00 | 0.10 |
| 2028 | 0.00 | 0.00 | 0.10 |
King Rail Survey Routes in Texas
| Winnie | 3 | 2022 | 1977 |
| Lag Atascosa | 1 | 1996 | 1978 |
| Mount Zion | 1 | 1998 | 1994 |
| Hinkles Fer | 1 | 1992 | 1992 |
| Gainesville | 1 | 1989 | 1989 |
| Indianola | 1 | 2008 | 1967 |
| Chinquapin | 1 | 2022 | 2022 |
| Oyster Lake | 1 | 2021 | 1998 |
| Stowell | 1 | 2008 | 1968 |
| Danbury | 1 | 2019 | 1968 |
| Katy | 1 | 2023 | 1969 |
| Moon Lake | 1 | 2007 | 1997 |
| Rock Island | 1 | 2016 | 1967 |
| Port Acres | 1 | 2023 | 1996 |
King Rail Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.