Species · BCR 20 · BBS 2025 Release · 1966–2024
Blue Grosbeak In Edwards Plateau
Blue Grosbeak in Edwards Plateau has surged: up 657% on the route-weighted index since 1969.
+657%Since 1969
20Routes In Region
57Years
Notable Signals
long arc increasecomputed index
Blue Grosbeak has surged in Edwards Plateau: up 657% on the route-weighted index since 1969.
Forecast
If the recent trend holds, Blue Grosbeak in Edwards Plateau is projected to stay roughly flat through 2029, near 4.3 (95% range 2.3–6.3). A 5-year backtest shows a typical error of ±19.1%, with 100% of held-out values landing inside the 95% band.
-8%Change by 2029
4.3Projected 2029 index
2.3–6.395% range
±19.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 4.1 | 2.1 | 6.1 |
| 2026 | 4.2 | 2.1 | 6.2 |
| 2027 | 4.2 | 2.2 | 6.2 |
| 2028 | 4.3 | 2.2 | 6.3 |
| 2029 | 4.3 | 2.3 | 6.3 |
Routes In Edwards Plateau
| Utopia | TEXAS | 15 | 2024 |
| Leakey | TEXAS | 12 | 2024 |
| Indian Mtn | TEXAS | 9 | 2024 |
| Adamsville | TEXAS | 7 | 2024 |
| Prairie Mtn. | TEXAS | 5 | 2024 |
| Dripping Spg | TEXAS | 4 | 2024 |
| Montell | TEXAS | 4 | 2024 |
| Allen Creek | TEXAS | 4 | 2024 |
| Rockspring | TEXAS | 4 | 2024 |
| Harper | TEXAS | 3 | 2024 |
| San Saba | TEXAS | 3 | 2024 |
| Valley Spgs | TEXAS | 2 | 2017 |
| Pidcoke | TEXAS | 2 | 2008 |
| Kempner | TEXAS | 2 | 2024 |
| Boerne | TEXAS | 1 | 2024 |
| Georgetown | TEXAS | 1 | 1972 |
| Fitzhugh | TEXAS | 1 | 1971 |
| Manor | TEXAS | 1 | 2024 |
| Pidcoke 2 | TEXAS | 1 | 2024 |
| Leander | TEXAS | 1 | 2004 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.