Species · Texas · BBS 2025 Release · 1966–2024
Groove-billed Ani Population Trend in Texas
Groove-billed Ani in Texas has declined: down 38% on the route-weighted index since 1971.
-38%Since 1971
30Routes In State
55Years
Notable Groove-billed Ani Trends in Texas
No notable trend signals for Groove-billed Ani in Texas. See the full index history below.
Groove-billed Ani Population Forecast in Texas
If the recent trend holds, Groove-billed Ani in Texas is projected to fall about 51% by 2029 — from 0.12 in 2024 to a central estimate of 0.06 (95% range 0.00–0.20). A 5-year backtest shows a typical error of ±23.5%, with 100% of held-out values landing inside the 95% band.
-51%Change by 2029
0.06Projected 2029 index
0.00–0.2095% range
±23.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.06 | 0.00 | 0.21 |
| 2026 | 0.06 | 0.00 | 0.21 |
| 2027 | 0.06 | 0.00 | 0.21 |
| 2028 | 0.06 | 0.00 | 0.20 |
| 2029 | 0.06 | 0.00 | 0.20 |
Groove-billed Ani Survey Routes in Texas
| Raymondville | 12 | 2024 | 1969 |
| Lag Atascosa | 3 | 2024 | 1974 |
| Zapata | 3 | 1984 | 1969 |
| L. Atascosa Nwr | 3 | 2023 | 2003 |
| Randado | 2 | 2014 | 1980 |
| Mirando City | 2 | 1993 | 1973 |
| Hobson | 2 | 2009 | 2009 |
| Loyola Beach 2 | 2 | 2024 | 2010 |
| El Sauz | 2 | 2014 | 1993 |
| Rachal | 1 | 2013 | 1973 |
| Agua Nueva | 1 | 2018 | 1969 |
| Kingsville | 1 | 2019 | 1973 |
| Encinal | 1 | 1979 | 1975 |
| San Ygnacio | 1 | 1985 | 1969 |
| George West | 1 | 1994 | 1971 |
| Campbellton | 1 | 2009 | 1984 |
| Catarina | 1 | 1994 | 1987 |
| Loyola Beach | 1 | 2009 | 1994 |
| Sejita | 1 | 2021 | 1994 |
| Laredo | 1 | 1995 | 1995 |
| Bayside | 1 | 2010 | 2010 |
| Three Rivers | 1 | 2024 | 1996 |
| Millett | 1 | 1997 | 1997 |
| Pedro Creek | 1 | 2003 | 2003 |
| Guerra | 1 | 2018 | 1988 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.