Species · Wyoming · BBS 2025 Release · 1966–2024
Broad-tailed Hummingbird Population Trend in Wyoming
Broad-tailed Hummingbird in Wyoming has surged: up 517% on the route-weighted index since 1977.
+517%Since 1977
41Routes In State
49Years
Notable Broad-tailed Hummingbird Trends in Wyoming
long arc increasecomputed index
Broad-tailed Hummingbird has surged in Wyoming: up 517% on the route-weighted index since 1977.
Broad-tailed Hummingbird Population Forecast in Wyoming
If the recent trend holds, Broad-tailed Hummingbird in Wyoming is projected to fall about 30% by 2029 — from 1.1 in 2024 to a central estimate of 0.75 (95% range 0.40–1.1). A 5-year backtest shows a typical error of ±31.2%, with 60% of held-out values landing inside the 95% band.
-30%Change by 2029
0.75Projected 2029 index
0.40–1.195% range
±31.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.71 | 0.35 | 1.1 |
| 2026 | 0.72 | 0.37 | 1.1 |
| 2027 | 0.73 | 0.38 | 1.1 |
| 2028 | 0.74 | 0.39 | 1.1 |
| 2029 | 0.75 | 0.40 | 1.1 |
Broad-tailed Hummingbird Survey Routes in Wyoming
| Wilson | 23 | 2024 | 1979 |
| Fox Park | 17 | 2024 | 1992 |
| Alpine | 12 | 2024 | 1979 |
| Warbonnet | 9 | 2024 | 1990 |
| Moose | 6 | 2024 | 1976 |
| Fletcher Pk | 6 | 2024 | 1981 |
| Savery | 5 | 1995 | 1989 |
| Ryan Park | 5 | 2023 | 2011 |
| Buford | 4 | 2024 | 1993 |
| Riverside | 3 | 2024 | 1969 |
| Hunter Peak | 3 | 2024 | 2024 |
| Crazy Woman | 3 | 2024 | 2008 |
| Colter Bay 2 | 3 | 2024 | 2019 |
| Buckskin Mtn | 3 | 2021 | 1981 |
| Savery 2 | 3 | 2024 | 2007 |
| Green River | 2 | 1978 | 1978 |
| Ne Entrance | 1 | 2018 | 2018 |
| Cody | 1 | 2005 | 1999 |
| Prior Flats | 1 | 2023 | 1991 |
| Sundance | 1 | 2015 | 2015 |
| Colter Bay | 1 | 1997 | 1969 |
| Dubois | 1 | 2016 | 1976 |
| Brookhurst | 1 | 2017 | 1982 |
| Mckinnon | 1 | 1986 | 1986 |
| Yoder | 1 | 1990 | 1990 |
Broad-tailed Hummingbird Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.