Species · Wyoming · BBS 2025 Release · 1966–2024
Bald Eagle Population Trend in Wyoming
Bald Eagle in Wyoming has surged: up 711% on the route-weighted index since 1987.
+711%Since 1987
50Routes In State
36Years
Notable Bald Eagle Trends in Wyoming
long arc increasecomputed index
Bald Eagle has surged in Wyoming: up 711% on the route-weighted index since 1987.
Bald Eagle Population Forecast in Wyoming
If the recent trend holds, Bald Eagle in Wyoming is projected to rise about 13% by 2029 — from 0.28 in 2024 to a central estimate of 0.32 (95% range 0.17–0.47). A 5-year backtest shows a typical error of ±38.4%, with 40% of held-out values landing inside the 95% band.
+13%Change by 2029
0.32Projected 2029 index
0.17–0.4795% range
±38.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.28 | 0.13 | 0.44 |
| 2026 | 0.29 | 0.14 | 0.45 |
| 2027 | 0.30 | 0.15 | 0.45 |
| 2028 | 0.31 | 0.16 | 0.46 |
| 2029 | 0.32 | 0.17 | 0.47 |
Bald Eagle Survey Routes in Wyoming
| Fontenelle | 6 | 2024 | 2009 |
| Warbonnet | 5 | 2024 | 2010 |
| Kaycee | 4 | 2024 | 2022 |
| Harmony | 4 | 2023 | 2015 |
| Riverside | 3 | 2023 | 2006 |
| Walcott | 3 | 2024 | 1989 |
| Elk Horn | 2 | 2015 | 2015 |
| Brookhurst | 2 | 2011 | 2011 |
| Mammoth | 2 | 2009 | 2002 |
| Dayton | 2 | 2023 | 2010 |
| Seedskadee 2 | 2 | 2024 | 2024 |
| Ethete | 2 | 2023 | 2023 |
| Daniel | 2 | 1988 | 1988 |
| Boulder | 2 | 2017 | 1999 |
| Rawlins 2 | 2 | 2017 | 2017 |
| Flamin Gorge | 2 | 2022 | 2022 |
| Ne Entrance | 1 | 2019 | 1997 |
| Wyarno | 1 | 2023 | 1983 |
| Yellowstone | 1 | 2022 | 1987 |
| Prior Flats | 1 | 2021 | 2021 |
| Colter Bay | 1 | 1996 | 1996 |
| Dubois | 1 | 2023 | 2019 |
| Rozet | 1 | 2023 | 2023 |
| Dwyer | 1 | 2019 | 2006 |
| Seely 2 | 1 | 2023 | 2001 |
Bald Eagle Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniasouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsin
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.