Species · Idaho · BBS 2025 Release · 1966–2024
Calliope Hummingbird Population Trend in Idaho
Calliope Hummingbird in Idaho has risen sharply: up 57% on the route-weighted index since 1973.
+57%Since 1973
31Routes In State
48Years
Notable Calliope Hummingbird Trends in Idaho
long arc increasecomputed index
Calliope Hummingbird has risen sharply in Idaho: up 57% on the route-weighted index since 1973.
Calliope Hummingbird Population Forecast in Idaho
If the recent trend holds, Calliope Hummingbird in Idaho is projected to stay roughly flat through 2029, near 0.43 (95% range 0.00–0.94). A 5-year backtest shows a typical error of ±93.6%, with 100% of held-out values landing inside the 95% band.
+8%Change by 2029
0.43Projected 2029 index
0.00–0.9495% range
±93.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.43 | 0.00 | 0.94 |
| 2026 | 0.43 | 0.00 | 0.94 |
| 2027 | 0.43 | 0.00 | 0.94 |
| 2028 | 0.43 | 0.00 | 0.94 |
| 2029 | 0.43 | 0.00 | 0.94 |
Calliope Hummingbird Survey Routes in Idaho
| Magic Mtn | 7 | 2024 | 1987 |
| Squirrel | 4 | 2004 | 1977 |
| Cascade | 3 | 1984 | 1978 |
| Bates | 3 | 2009 | 1989 |
| Naples | 2 | 2024 | 1975 |
| Mivoden | 2 | 2023 | 1977 |
| Rochat Divde | 2 | 1993 | 1993 |
| Sunbeam | 2 | 2007 | 1994 |
| Dougal Res | 2 | 2019 | 2003 |
| Gifford | 1 | 2017 | 1986 |
| Nezperce | 1 | 2006 | 1968 |
| Lolo Pass | 1 | 2016 | 1994 |
| Golden | 1 | 1994 | 1994 |
| N Fork Cda R | 1 | 1993 | 1993 |
| Challis | 1 | 2022 | 1978 |
| Centerville | 1 | 2019 | 1972 |
| Alturas | 1 | 1987 | 1987 |
| Triangle | 1 | 2004 | 1998 |
| Pocatello | 1 | 1992 | 1992 |
| Coolin | 1 | 2015 | 1989 |
| Sawtooth City 2 | 1 | 2023 | 2017 |
| Marble Creek | 1 | 1990 | 1990 |
| Joel | 1 | 1993 | 1993 |
| Pierce | 1 | 2007 | 2007 |
| Salmon River | 1 | 1994 | 1988 |
Calliope Hummingbird Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.