Species · BCR 36 · BBS 2025 Release · 1966–2024
Northern Mockingbird In Tamaulipan Brushlands
Northern Mockingbird in Tamaulipan Brushlands has declined: down 47% on the route-weighted index since 1969.
-47%Since 1969
28Routes In Region
57Years
Notable Signals
No notable trend signals for Northern Mockingbird in Tamaulipan Brushlands. See the full index history below.
Forecast
If the recent trend holds, Northern Mockingbird in Tamaulipan Brushlands is projected to fall about 29% by 2029 — from 72 in 2024 to a central estimate of 51 (95% range 15–87). A 5-year backtest shows a typical error of ±16.1%, with 100% of held-out values landing inside the 95% band.
-29%Change by 2029
51Projected 2029 index
15–8795% range
±16.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 55 | 19 | 92 |
| 2026 | 54 | 18 | 90 |
| 2027 | 53 | 17 | 89 |
| 2028 | 52 | 16 | 88 |
| 2029 | 51 | 15 | 87 |
Routes In Tamaulipan Brushlands
| Hondo | TEXAS | 157 | 2024 |
| Millett 2 | TEXAS | 127 | 2024 |
| Millett | TEXAS | 103 | 2012 |
| Mirando City | TEXAS | 98 | 2024 |
| George West | TEXAS | 92 | 2024 |
| Encinal | TEXAS | 85 | 2010 |
| Zapata | TEXAS | 84 | 1987 |
| San Ygnacio | TEXAS | 84 | 1985 |
| Cavasara Cr. | TEXAS | 81 | 2023 |
| Raymondville | TEXAS | 79 | 2024 |
| El Sauz | TEXAS | 73 | 2023 |
| Dilley | TEXAS | 73 | 2024 |
| Catarina 2 | TEXAS | 67 | 2017 |
| Sejita | TEXAS | 66 | 2024 |
| Rachal | TEXAS | 58 | 2023 |
| Progreso | TEXAS | 52 | 2011 |
| Guerra | TEXAS | 50 | 2023 |
| Kingsville | TEXAS | 49 | 2024 |
| Catarina 3 | TEXAS | 47 | 2024 |
| Catarina | TEXAS | 42 | 2010 |
| El Indio | TEXAS | 42 | 2007 |
| Randado | TEXAS | 38 | 2024 |
| Encinal 2 | TEXAS | 32 | 2024 |
| Laredo | TEXAS | 23 | 2023 |
| Pedro Creek | TEXAS | 19 | 2010 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.