Species · BCR 36 · BBS 2025 Release · 1966–2024
Dickcissel In Tamaulipan Brushlands
Dickcissel in Tamaulipan Brushlands has held roughly steady: down 2% on the route-weighted index since 1970.
-2%Since 1970
25Routes In Region
56Years
Notable Signals
No notable trend signals for Dickcissel in Tamaulipan Brushlands. See the full index history below.
Forecast
If the recent trend holds, Dickcissel in Tamaulipan Brushlands is projected to fall about 31% by 2029 — from 7.3 in 2024 to a central estimate of 5.0 (95% range 0.00–24). A 5-year backtest shows a typical error of ±57.6%, with 100% of held-out values landing inside the 95% band.
-31%Change by 2029
5.0Projected 2029 index
0.00–2495% range
±57.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 5.5 | 0.00 | 24 |
| 2026 | 5.4 | 0.00 | 24 |
| 2027 | 5.3 | 0.00 | 24 |
| 2028 | 5.1 | 0.00 | 24 |
| 2029 | 5.0 | 0.00 | 24 |
Routes In Tamaulipan Brushlands
| Hondo | TEXAS | 50 | 2024 |
| Randado | TEXAS | 49 | 2015 |
| La Pryor | TEXAS | 30 | 2017 |
| George West | TEXAS | 25 | 2023 |
| Pedro Creek | TEXAS | 18 | 2004 |
| Heidelberg | TEXAS | 17 | 2024 |
| Millett 2 | TEXAS | 15 | 2015 |
| Millett | TEXAS | 14 | 2012 |
| Raymondville | TEXAS | 13 | 2024 |
| Catarina | TEXAS | 9 | 2010 |
| Agua Nueva | TEXAS | 7 | 2023 |
| Kingsville | TEXAS | 6 | 2024 |
| Mirando City | TEXAS | 6 | 1993 |
| Rachal | TEXAS | 3 | 2019 |
| El Sauz | TEXAS | 3 | 2015 |
| Catarina 3 | TEXAS | 3 | 2018 |
| Sejita | TEXAS | 3 | 2019 |
| Catarina 2 | TEXAS | 2 | 2013 |
| Dilley | TEXAS | 2 | 2024 |
| Progreso | TEXAS | 2 | 2010 |
| Zapata | TEXAS | 1 | 1983 |
| Encinal | TEXAS | 1 | 2005 |
| El Indio | TEXAS | 1 | 1997 |
| Guerra | TEXAS | 1 | 2009 |
| Encinal 2 | TEXAS | 1 | 2018 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.