Species · BCR 19 · BBS 2025 Release · 1966–2024
Black-chinned Hummingbird In Central Mixed Grass Prairie
Black-chinned Hummingbird in Central Mixed Grass Prairie has surged: up 329% on the route-weighted index since 1973.
+329%Since 1973
19Routes In Region
47Years
Notable Signals
long arc increasecomputed index
Black-chinned Hummingbird has surged in Central Mixed Grass Prairie: up 329% on the route-weighted index since 1973.
Forecast
If the recent trend holds, Black-chinned Hummingbird in Central Mixed Grass Prairie is projected to stay roughly flat through 2029, near 0.18 (95% range 0.07–0.30). A 5-year backtest shows a typical error of ±243.4%, with 80% of held-out values landing inside the 95% band.
n/aChange by 2029
0.18Projected 2029 index
0.07–0.3095% range
±243.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.17 | 0.06 | 0.29 |
| 2026 | 0.18 | 0.06 | 0.29 |
| 2027 | 0.18 | 0.07 | 0.29 |
| 2028 | 0.18 | 0.07 | 0.30 |
| 2029 | 0.18 | 0.07 | 0.30 |
Routes In Central Mixed Grass Prairie
| Shields 2 | TEXAS | 5 | 2023 |
| Hawley | TEXAS | 4 | 2013 |
| Pear Valley | TEXAS | 3 | 2023 |
| Eldorado | TEXAS | 3 | 2023 |
| Arapaho | OKLAHOMA | 2 | 2012 |
| Winchell | TEXAS | 2 | 2021 |
| Eagle City | OKLAHOMA | 1 | 2000 |
| Grimes | OKLAHOMA | 1 | 2014 |
| Cooperton | OKLAHOMA | 1 | 2022 |
| Sickles | OKLAHOMA | 1 | 2012 |
| Woodward | OKLAHOMA | 1 | 2024 |
| Wichita Mtns East | OKLAHOMA | 1 | 2021 |
| Wichita Mts West | OKLAHOMA | 1 | 2022 |
| Mertzon | TEXAS | 1 | 2019 |
| Rotan | TEXAS | 1 | 2023 |
| Haskell | TEXAS | 1 | 1996 |
| Wall | TEXAS | 1 | 2022 |
| Silver | TEXAS | 1 | 2019 |
| Charlie | TEXAS | 1 | 2023 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.