Species · Arizona · BBS 2025 Release · 1966–2024
Golden Eagle Population Trend in Arizona
Golden Eagle in Arizona has fallen sharply: down 69% on the route-weighted index since 1975.
-69%Since 1975
28Routes In State
41Years
Notable Golden Eagle Trends in Arizona
long arc declinecomputed index
Golden Eagle has fallen sharply in Arizona: down 69% on the route-weighted index since 1975.
Golden Eagle Population Forecast in Arizona
If the recent trend holds, Golden Eagle in Arizona is projected to fall about 75% by 2029 — from 0.06 in 2024 to a central estimate of 0.01 (95% range 0.00–0.10). A 5-year backtest shows a typical error of ±72.7%, with 100% of held-out values landing inside the 95% band.
-75%Change by 2029
0.01Projected 2029 index
0.00–0.1095% range
±72.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.02 | 0.00 | 0.11 |
| 2026 | 0.02 | 0.00 | 0.11 |
| 2027 | 0.02 | 0.00 | 0.10 |
| 2028 | 0.02 | 0.00 | 0.10 |
| 2029 | 0.01 | 0.00 | 0.10 |
Golden Eagle Survey Routes in Arizona
| Greasewood | 4 | 1996 | 1993 |
| San Simon | 2 | 2024 | 1975 |
| Castle Butte | 2 | 2006 | 1995 |
| Navajo Trail | 2 | 2018 | 1994 |
| Mt Trumbull | 1 | 1979 | 1974 |
| House Rock | 1 | 2004 | 1978 |
| Dragoon | 1 | 1997 | 1997 |
| Portal | 1 | 2001 | 1975 |
| Rose Wells | 1 | 1975 | 1973 |
| Flagstaff | 1 | 1999 | 1999 |
| Oraibi | 1 | 2022 | 1993 |
| Hunt | 1 | 1996 | 1996 |
| Peña Blanca | 1 | 2022 | 1975 |
| Patagonia | 1 | 1990 | 1987 |
| Sunizona | 1 | 1973 | 1973 |
| Toroweap | 1 | 2014 | 2004 |
| Riviera | 1 | 2019 | 2019 |
| Williams | 1 | 2001 | 2001 |
| Maine | 1 | 1997 | 1997 |
| Alamo Res. | 1 | 1995 | 1995 |
| Willow Beach 2 | 1 | 2018 | 2018 |
| Tsaile | 1 | 2018 | 2018 |
| Willow Beach | 1 | 1990 | 1990 |
| Peach Spring | 1 | 1992 | 1992 |
| Seligman | 1 | 2017 | 1993 |
Golden Eagle Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.