Species · Texas · BBS 2025 Release · 1966–2024
Black Rail Population Trend in Texas
Black Rail in Texas has risen sharply: up 74% on the route-weighted index since 1997.
+74%Since 1997
4Routes In State
15Years
Notable Black Rail Trends in Texas
No notable trend signals for Black Rail in Texas. See the full index history below.
Black Rail Survey Routes in Texas
| Chinquapin | 3 | 2024 | 2004 |
| Oyster Lake | 1 | 1997 | 1997 |
| Indianola | 1 | 2006 | 1995 |
| L. Atascosa Nwr | 1 | 2022 | 2022 |
Black Rail Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.