Species · BCR 19 · BBS 2025 Release · 1966–2024
Ruby-throated Hummingbird In Central Mixed Grass Prairie
Ruby-throated Hummingbird in Central Mixed Grass Prairie has fallen sharply: down 63% on the route-weighted index since 1969.
-63%Since 1969
22Routes In Region
43Years
Notable Signals
long arc declinecomputed index
Ruby-throated Hummingbird has fallen sharply in Central Mixed Grass Prairie: down 62% on the route-weighted index since 1969.
Forecast
If the recent trend holds, Ruby-throated Hummingbird in Central Mixed Grass Prairie is projected to stay roughly flat through 2029, near 0.03 (95% range 0.00–0.08). A 5-year backtest shows a typical error of ±65.8%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.03Projected 2029 index
0.00–0.0895% range
±65.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.03 | 0.00 | 0.08 |
| 2026 | 0.03 | 0.00 | 0.08 |
| 2027 | 0.03 | 0.00 | 0.08 |
| 2028 | 0.03 | 0.00 | 0.08 |
| 2029 | 0.03 | 0.00 | 0.08 |
Routes In Central Mixed Grass Prairie
| Verden | OKLAHOMA | 3 | 2017 |
| Eagle City | OKLAHOMA | 2 | 2009 |
| Wellington | KANSAS | 1 | 2023 |
| Dalton | KANSAS | 1 | 2024 |
| Coats | KANSAS | 1 | 1998 |
| Coldwater | KANSAS | 1 | 1974 |
| Buckeye | KANSAS | 1 | 2019 |
| Kanopolis | KANSAS | 1 | 2023 |
| Hanover | KANSAS | 1 | 1970 |
| Covert | KANSAS | 1 | 1996 |
| Gove | KANSAS | 1 | 1970 |
| Solomon | KANSAS | 1 | 2011 |
| Randlett | OKLAHOMA | 1 | 2005 |
| Cookietown | OKLAHOMA | 1 | 1970 |
| Grimes | OKLAHOMA | 1 | 2021 |
| Douglas | OKLAHOMA | 1 | 2018 |
| Cooperton | OKLAHOMA | 1 | 2010 |
| Cashion | OKLAHOMA | 1 | 2024 |
| Sickles | OKLAHOMA | 1 | 2021 |
| Arapaho | OKLAHOMA | 1 | 2008 |
| Jet | OKLAHOMA | 1 | 2022 |
| Phroso | OKLAHOMA | 1 | 2003 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.