Species · Arizona · BBS 2025 Release · 1966–2024
Rivoli's Hummingbird Population Trend in Arizona
Rivoli's Hummingbird in Arizona has collapsed: down 76% on the route-weighted index since 1983.
-76%Since 1983
4Routes In State
15Years
Notable Rivoli's Hummingbird Trends in Arizona
long arc declinecomputed index
Rivoli's Hummingbird has collapsed in Arizona: down 76% on the route-weighted index since 1983.
Rivoli's Hummingbird Survey Routes in Arizona
| Patagonia | 1 | 1983 | 1983 |
| Sunizona | 1 | 1986 | 1986 |
| Portal | 1 | 2024 | 1975 |
| Mt. Graham | 1 | 2023 | 1997 |
Rivoli's Hummingbird Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.