Species · BCR 18 · BBS 2025 Release · 1966–2024
Bushtit In Shortgrass Prairie
Bushtit in Shortgrass Prairie has surged: up 202% on the route-weighted index since 1986.
+202%Since 1986
5Routes In Region
28Years
Notable Signals
long arc increasecomputed index
Bushtit has surged in Shortgrass Prairie: up 202% on the route-weighted index since 1986.
Forecast
If the recent trend holds, Bushtit in Shortgrass Prairie is projected to stay roughly flat through 2029, near 0.13 (95% range 0.00–0.41). A 5-year backtest shows a typical error of ±68.1%, with 80% of held-out values landing inside the 95% band.
n/aChange by 2029
0.13Projected 2029 index
0.00–0.4195% range
±68.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.12 | 0.00 | 0.41 |
| 2026 | 0.12 | 0.00 | 0.41 |
| 2027 | 0.12 | 0.00 | 0.41 |
| 2028 | 0.13 | 0.00 | 0.41 |
| 2029 | 0.13 | 0.00 | 0.41 |
Routes In Shortgrass Prairie
| Variadero | NEW-MEXICO | 4 | 2021 |
| Sabinoso | NEW-MEXICO | 4 | 2019 |
| Wagon Mound | NEW-MEXICO | 2 | 1978 |
| Villegreen | COLORADO | 1 | 2024 |
| Texline | TEXAS | 1 | 1986 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.