Species · Texas · BBS 2025 Release · 1966–2024
Clapper Rail Population Trend in Texas
Clapper Rail in Texas has collapsed: down 88% on the route-weighted index since 1969.
-88%Since 1969
9Routes In State
44Years
Notable Clapper Rail Trends in Texas
long arc declinecomputed index
Clapper Rail has collapsed in Texas: down 88% on the route-weighted index since 1969.
Clapper Rail Population Forecast in Texas
If the recent trend holds, Clapper Rail in Texas is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.27). A 5-year backtest shows a typical error of ±220.2%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.00Projected 2029 index
0.00–0.2795% range
±220.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 0.27 |
| 2026 | 0.00 | 0.00 | 0.27 |
| 2027 | 0.00 | 0.00 | 0.27 |
| 2028 | 0.00 | 0.00 | 0.27 |
| 2029 | 0.00 | 0.00 | 0.27 |
Clapper Rail Survey Routes in Texas
| Oyster Lake | 2 | 2023 | 1995 |
| Lag Atascosa | 1 | 1972 | 1972 |
| Indianola | 1 | 2022 | 1967 |
| Chinquapin | 1 | 2024 | 2004 |
| Winnie | 1 | 1995 | 1967 |
| Stowell | 1 | 2017 | 1969 |
| Danbury | 1 | 2024 | 2024 |
| Bayside 2 | 1 | 2004 | 1997 |
| Bayside 3 | 1 | 2024 | 2013 |
Clapper Rail Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.