Species · BCR 16 · BBS 2025 Release · 1966–2024
Sagebrush Sparrow In Southern Rockies / Colorado Plateau
Sagebrush Sparrow in Southern Rockies / Colorado Plateau has declined: down 33% on the route-weighted index since 1970.
-33%Since 1970
97Routes In Region
56Years
Notable Signals
No notable trend signals for Sagebrush Sparrow in Southern Rockies / Colorado Plateau. See the full index history below.
Forecast
If the recent trend holds, Sagebrush Sparrow in Southern Rockies / Colorado Plateau is projected to stay roughly flat through 2029, near 1.8 (95% range 0.11–3.4). A 5-year backtest shows a typical error of ±11.9%, with 100% of held-out values landing inside the 95% band.
-6%Change by 2029
1.8Projected 2029 index
0.11–3.495% range
±11.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.8 | 0.10 | 3.4 |
| 2026 | 1.8 | 0.10 | 3.4 |
| 2027 | 1.8 | 0.10 | 3.4 |
| 2028 | 1.8 | 0.11 | 3.4 |
| 2029 | 1.8 | 0.11 | 3.4 |
Routes In Southern Rockies / Colorado Plateau
| Nageesi | NEW-MEXICO | 59 | 2024 |
| Jensen | UTAH | 31 | 2024 |
| Gilson Butte | UTAH | 29 | 2004 |
| Canyon Rims | UTAH | 28 | 2024 |
| Blanding | UTAH | 20 | 2024 |
| House Rock | ARIZONA | 19 | 2022 |
| Mosca | COLORADO | 19 | 2024 |
| Willow Creek | UTAH | 17 | 2024 |
| Newcomb | NEW-MEXICO | 16 | 2021 |
| Basin | COLORADO | 14 | 2024 |
| La Plata | NEW-MEXICO | 14 | 2013 |
| Bonanza | UTAH | 14 | 2014 |
| Hill Creek | UTAH | 13 | 1995 |
| Torreon | NEW-MEXICO | 12 | 2024 |
| Glen Canyon | UTAH | 12 | 2024 |
| Black Mesa | ARIZONA | 11 | 1995 |
| Page | ARIZONA | 10 | 2019 |
| Moon Lake | UTAH | 10 | 2003 |
| Lake Powell | UTAH | 10 | 2009 |
| Gilson Butte 2 | UTAH | 10 | 2018 |
| Aztec | NEW-MEXICO | 9 | 1989 |
| Tsaile | ARIZONA | 8 | 2023 |
| Antonito | COLORADO | 8 | 2004 |
| Mesita | COLORADO | 8 | 2024 |
| La Plata 2 | NEW-MEXICO | 8 | 2016 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.