Species · BCR 36 · BBS 2025 Release · 1966–2024
Green Jay In Tamaulipan Brushlands
Green Jay in Tamaulipan Brushlands has surged: up 877% on the route-weighted index since 1970.
+877%Since 1970
25Routes In Region
55Years
Notable Signals
long arc increasecomputed index
Green Jay has surged in Tamaulipan Brushlands: up 877% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Green Jay in Tamaulipan Brushlands is projected to fall about 13% by 2029 — from 2.7 in 2024 to a central estimate of 2.3 (95% range 0.81–3.8). A 5-year backtest shows a typical error of ±39.3%, with 60% of held-out values landing inside the 95% band.
-13%Change by 2029
2.3Projected 2029 index
0.81–3.895% range
±39.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.2 | 0.65 | 3.7 |
| 2026 | 2.2 | 0.69 | 3.7 |
| 2027 | 2.2 | 0.73 | 3.8 |
| 2028 | 2.3 | 0.77 | 3.8 |
| 2029 | 2.3 | 0.81 | 3.8 |
Routes In Tamaulipan Brushlands
| Cavasara Cr. | TEXAS | 12 | 2023 |
| Guerra | TEXAS | 11 | 2023 |
| Agua Nueva | TEXAS | 9 | 2023 |
| Raymondville | TEXAS | 7 | 2024 |
| Sejita | TEXAS | 6 | 2024 |
| El Sauz | TEXAS | 5 | 2023 |
| Rachal | TEXAS | 4 | 2023 |
| Kingsville | TEXAS | 4 | 2024 |
| Mirando City | TEXAS | 4 | 2024 |
| Zapata | TEXAS | 3 | 1982 |
| George West | TEXAS | 3 | 2024 |
| Hondo | TEXAS | 3 | 2024 |
| Pedro Creek | TEXAS | 3 | 2005 |
| Randado | TEXAS | 2 | 2018 |
| Catarina 3 | TEXAS | 2 | 2024 |
| Laredo | TEXAS | 2 | 2023 |
| Encinal | TEXAS | 1 | 2010 |
| San Ygnacio | TEXAS | 1 | 1982 |
| Catarina | TEXAS | 1 | 2010 |
| El Indio | TEXAS | 1 | 1999 |
| Dilley | TEXAS | 1 | 2024 |
| Encinal 2 | TEXAS | 1 | 2024 |
| Millett | TEXAS | 1 | 2012 |
| Heidelberg | TEXAS | 1 | 2022 |
| Millett 2 | TEXAS | 1 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.