Species · BCR 16 · BBS 2025 Release · 1966–2024
Rufous-crowned Sparrow In Southern Rockies / Colorado Plateau
Rufous-crowned Sparrow in Southern Rockies / Colorado Plateau has collapsed: down 91% on the route-weighted index since 1988.
-91%Since 1988
12Routes In Region
13Years
Notable Signals
long arc declinecomputed index
Rufous-crowned Sparrow has collapsed in Southern Rockies / Colorado Plateau: down 91% on the route-weighted index since 1988.
Routes In Southern Rockies / Colorado Plateau
| Beck | UTAH | 9 | 1968 |
| Peach Spring | ARIZONA | 5 | 2008 |
| Seligman | ARIZONA | 3 | 2012 |
| House Rock | ARIZONA | 1 | 1999 |
| Yampai | ARIZONA | 1 | 1972 |
| La Cienega | NEW-MEXICO | 1 | 2017 |
| Horse Spgs | NEW-MEXICO | 1 | 2017 |
| Horse Mtn | NEW-MEXICO | 1 | 1999 |
| Quemado | NEW-MEXICO | 1 | 1993 |
| Corona East | NEW-MEXICO | 1 | 1995 |
| Salt Lake 2 | NEW-MEXICO | 1 | 2016 |
| Altonah | UTAH | 1 | 1968 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.