Species · BCR 16 · BBS 2025 Release · 1966–2024
Canyon Wren In Southern Rockies / Colorado Plateau
Canyon Wren in Southern Rockies / Colorado Plateau has collapsed: down 88% on the route-weighted index since 1970.
-88%Since 1970
94Routes In Region
55Years
Notable Signals
long arc declinecomputed index
Canyon Wren has collapsed in Southern Rockies / Colorado Plateau: down 88% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Canyon Wren in Southern Rockies / Colorado Plateau is projected to rise about 69% by 2029 — from 0.09 in 2024 to a central estimate of 0.14 (95% range 0.00–0.41). A 5-year backtest shows a typical error of ±343.2%, with 100% of held-out values landing inside the 95% band.
+69%Change by 2029
0.14Projected 2029 index
0.00–0.4195% range
±343.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.15 | 0.00 | 0.42 |
| 2026 | 0.15 | 0.00 | 0.41 |
| 2027 | 0.15 | 0.00 | 0.41 |
| 2028 | 0.15 | 0.00 | 0.41 |
| 2029 | 0.14 | 0.00 | 0.41 |
Routes In Southern Rockies / Colorado Plateau
| Altonah | UTAH | 12 | 1969 |
| Castleton | UTAH | 5 | 1985 |
| Rosevale | COLORADO | 4 | 2023 |
| Baxter Pass | COLORADO | 4 | 2024 |
| Cheesman Lk | COLORADO | 3 | 2010 |
| Wilson Creek | COLORADO | 3 | 2018 |
| Bicknell | UTAH | 3 | 1999 |
| Buford | COLORADO | 2 | 2013 |
| Dolores Riv | COLORADO | 2 | 1991 |
| Westcliffe | COLORADO | 2 | 2010 |
| Angel Fire 2 | NEW-MEXICO | 2 | 2017 |
| Notom | UTAH | 2 | 1991 |
| Cane Spr Des | UTAH | 2 | 2011 |
| House Rock | ARIZONA | 1 | 1999 |
| The Gap | ARIZONA | 1 | 1968 |
| Hunt | ARIZONA | 1 | 1986 |
| Toroweap | ARIZONA | 1 | 2016 |
| Page | ARIZONA | 1 | 2009 |
| Navajo Trail | ARIZONA | 1 | 2005 |
| Peach Spring | ARIZONA | 1 | 2018 |
| Seligman | ARIZONA | 1 | 2018 |
| Harmony | COLORADO | 1 | 2019 |
| Douglas Pass | COLORADO | 1 | 2019 |
| Delta | COLORADO | 1 | 2017 |
| Dolores | COLORADO | 1 | 1984 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.