Species · BCR 21 · BBS 2025 Release · 1966–2024
Rufous-crowned Sparrow In Oaks and Prairies
Rufous-crowned Sparrow in Oaks and Prairies has collapsed: down 93% on the route-weighted index since 1969.
-93%Since 1969
14Routes In Region
53Years
Notable Signals
long arc declinecomputed index
Rufous-crowned Sparrow has collapsed in Oaks and Prairies: down 93% on the route-weighted index since 1969.
Forecast
If the recent trend holds, Rufous-crowned Sparrow in Oaks and Prairies is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.37). A 5-year backtest shows a typical error of ±105.1%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.00Projected 2029 index
0.00–0.3795% range
±105.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 0.37 |
| 2026 | 0.00 | 0.00 | 0.37 |
| 2027 | 0.00 | 0.00 | 0.37 |
| 2028 | 0.00 | 0.00 | 0.37 |
| 2029 | 0.00 | 0.00 | 0.37 |
Routes In Oaks and Prairies
| Duran | TEXAS | 10 | 1999 |
| Lockhart | TEXAS | 5 | 1971 |
| Whit Mtn. | TEXAS | 3 | 2018 |
| Hobson | TEXAS | 2 | 1985 |
| Osage | TEXAS | 2 | 1987 |
| Albany | TEXAS | 2 | 2015 |
| Olney | TEXAS | 2 | 1984 |
| Bruceville | TEXAS | 2 | 2009 |
| Comanche | TEXAS | 2 | 2024 |
| Mill Creek | OKLAHOMA | 1 | 1977 |
| Glen Rose | TEXAS | 1 | 2018 |
| Selden | TEXAS | 1 | 2015 |
| Graford | TEXAS | 1 | 2010 |
| Cottonwood | TEXAS | 1 | 2015 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.