Species · BCR 15 · BBS 2025 Release · 1966–2024
Calliope Hummingbird In Sierra Nevada
Calliope Hummingbird in Sierra Nevada has edged down: down 11% on the route-weighted index since 1974.
-11%Since 1974
24Routes In Region
52Years
Notable Signals
No notable trend signals for Calliope Hummingbird in Sierra Nevada. See the full index history below.
Forecast
If the recent trend holds, Calliope Hummingbird in Sierra Nevada is projected to rise about 65% by 2029 — from 0.21 in 2024 to a central estimate of 0.35 (95% range 0.05–0.65). A 5-year backtest shows a typical error of ±80%, with 100% of held-out values landing inside the 95% band.
+65%Change by 2029
0.35Projected 2029 index
0.05–0.6595% range
±80%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.34 | 0.04 | 0.64 |
| 2026 | 0.34 | 0.05 | 0.64 |
| 2027 | 0.34 | 0.05 | 0.64 |
| 2028 | 0.35 | 0.05 | 0.64 |
| 2029 | 0.35 | 0.05 | 0.65 |
Routes In Sierra Nevada
| Little Truckee | CALIFORNIA | 3 | 2023 |
| Chilcoot | CALIFORNIA | 3 | 2024 |
| Dardanelle | CALIFORNIA | 2 | 2006 |
| Kings Canyon | CALIFORNIA | 2 | 2010 |
| Butte Meadow | CALIFORNIA | 2 | 1989 |
| Goumaz | CALIFORNIA | 2 | 2011 |
| Last Chance | CALIFORNIA | 2 | 2018 |
| Eagle Lake | CALIFORNIA | 1 | 2015 |
| Westville | CALIFORNIA | 1 | 2019 |
| Johnsville | CALIFORNIA | 1 | 2021 |
| Woodfords | CALIFORNIA | 1 | 2022 |
| Lumberyard | CALIFORNIA | 1 | 2019 |
| Greenhorn Mt | CALIFORNIA | 1 | 2006 |
| Silver City | CALIFORNIA | 1 | 1995 |
| Tuolumne Grove | CALIFORNIA | 1 | 2016 |
| Genesee | CALIFORNIA | 1 | 2024 |
| Downieville | CALIFORNIA | 1 | 2003 |
| Riverton | CALIFORNIA | 1 | 2019 |
| Hat Creek | CALIFORNIA | 1 | 2013 |
| Lakeshore | CALIFORNIA | 1 | 2006 |
| Paxton | CALIFORNIA | 1 | 2022 |
| Meadow Valley | CALIFORNIA | 1 | 2018 |
| Pine Mountain | CALIFORNIA | 1 | 2016 |
| Strawberry | CALIFORNIA | 1 | 2010 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.