Species · BCR 11 · BBS 2025 Release · 1966–2024
Ruby-throated Hummingbird In Prairie Potholes
Ruby-throated Hummingbird in Prairie Potholes has declined: down 40% on the route-weighted index since 1975.
-40%Since 1975
23Routes In Region
37Years
Notable Signals
No notable trend signals for Ruby-throated Hummingbird in Prairie Potholes. See the full index history below.
Forecast
If the recent trend holds, Ruby-throated Hummingbird in Prairie Potholes is projected to stay roughly flat through 2029, near 0.03 (95% range 0.00–0.06). A 5-year backtest shows a typical error of ±51.7%, with 80% of held-out values landing inside the 95% band.
n/aChange by 2029
0.03Projected 2029 index
0.00–0.0695% range
±51.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.03 | 0.00 | 0.06 |
| 2026 | 0.03 | 0.00 | 0.06 |
| 2027 | 0.03 | 0.00 | 0.06 |
| 2028 | 0.03 | 0.00 | 0.06 |
| 2029 | 0.03 | 0.00 | 0.06 |
Routes In Prairie Potholes
| Huntley | MINNESOTA | 2 | 2019 |
| Lake Bronson | MINNESOTA | 2 | 2000 |
| Zearing | IOWA | 1 | 1995 |
| Mccallsburg | IOWA | 1 | 2024 |
| Hartland | MINNESOTA | 1 | 2013 |
| Arlington | MINNESOTA | 1 | 2019 |
| Courtland | MINNESOTA | 1 | 2012 |
| Beltrami | MINNESOTA | 1 | 1987 |
| Wylie | MINNESOTA | 1 | 1999 |
| Erie | MINNESOTA | 1 | 1994 |
| Grygla | MINNESOTA | 1 | 2016 |
| Franklin | MINNESOTA | 1 | 2019 |
| Big Stone | MINNESOTA | 1 | 2000 |
| Eagle Creek | NEBRASKA | 1 | 2023 |
| Walcott | NORTH-DAKOTA | 1 | 1982 |
| Lake George | NORTH-DAKOTA | 1 | 2022 |
| Emerado | NORTH-DAKOTA | 1 | 2022 |
| Cooperstown | NORTH-DAKOTA | 1 | 2014 |
| Denbigh | NORTH-DAKOTA | 1 | 2016 |
| Turtle Mtns | NORTH-DAKOTA | 1 | 2024 |
| Montpelier | NORTH-DAKOTA | 1 | 2013 |
| Abercrombie 2 | NORTH-DAKOTA | 1 | 2013 |
| Lane 2 | SOUTH-DAKOTA | 1 | 2012 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.