Species · BCR 16 · BBS 2025 Release · 1966–2024
Brown Creeper In Southern Rockies / Colorado Plateau
Brown Creeper in Southern Rockies / Colorado Plateau has surged: up 197% on the route-weighted index since 1974.
+197%Since 1974
74Routes In Region
45Years
Notable Signals
long arc increasecomputed index
Brown Creeper has surged in Southern Rockies / Colorado Plateau: up 197% on the route-weighted index since 1974.
Forecast
If the recent trend holds, Brown Creeper in Southern Rockies / Colorado Plateau is projected to rise about 19% by 2029 — from 0.09 in 2024 to a central estimate of 0.11 (95% range 0.03–0.19). A 5-year backtest shows a typical error of ±33.6%, with 100% of held-out values landing inside the 95% band.
+19%Change by 2029
0.11Projected 2029 index
0.03–0.1995% range
±33.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.11 | 0.03 | 0.19 |
| 2026 | 0.11 | 0.03 | 0.19 |
| 2027 | 0.11 | 0.03 | 0.19 |
| 2028 | 0.11 | 0.03 | 0.19 |
| 2029 | 0.11 | 0.03 | 0.19 |
Routes In Southern Rockies / Colorado Plateau
| Claunch | NEW-MEXICO | 7 | 1978 |
| Tsaile | ARIZONA | 5 | 2023 |
| Mt. Taylor 2 | NEW-MEXICO | 5 | 2024 |
| Wasatch Nf | UTAH | 4 | 2019 |
| Pinos Creek | COLORADO | 3 | 1989 |
| Powderhorn | COLORADO | 3 | 2014 |
| Owl Creek Pass | COLORADO | 3 | 2015 |
| Sawmill | ARIZONA | 2 | 2005 |
| Aspen | COLORADO | 2 | 2023 |
| Parlin | COLORADO | 2 | 2018 |
| Pagosa Spgs | COLORADO | 2 | 1976 |
| Uncompahgre | COLORADO | 2 | 2014 |
| Rosevale | COLORADO | 2 | 2017 |
| Pinon | COLORADO | 2 | 2015 |
| Cebolla | NEW-MEXICO | 2 | 2005 |
| Angel Fire | NEW-MEXICO | 2 | 2000 |
| Vallecitos | NEW-MEXICO | 2 | 2024 |
| Gallinas | NEW-MEXICO | 2 | 2017 |
| Alton | UTAH | 2 | 2001 |
| La Sal 3 | UTAH | 2 | 2024 |
| Dry Park | ARIZONA | 1 | 2023 |
| Cheesman Lk | COLORADO | 1 | 2015 |
| Delta | COLORADO | 1 | 2014 |
| Dolores | COLORADO | 1 | 1984 |
| Falfa | COLORADO | 1 | 1974 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.