Species · BCR 16 · BBS 2025 Release · 1966–2024
Gray Flycatcher In Southern Rockies / Colorado Plateau
Gray Flycatcher in Southern Rockies / Colorado Plateau has surged: up 144% on the route-weighted index since 1970.
+144%Since 1970
109Routes In Region
55Years
Notable Signals
long arc increasecomputed index
Gray Flycatcher has surged in Southern Rockies / Colorado Plateau: up 144% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Gray Flycatcher in Southern Rockies / Colorado Plateau is projected to rise about 49% by 2029 — from 0.68 in 2024 to a central estimate of 1.0 (95% range 0.57–1.5). A 5-year backtest shows a typical error of ±62.1%, with 80% of held-out values landing inside the 95% band.
+49%Change by 2029
1.0Projected 2029 index
0.57–1.595% range
±62.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.96 | 0.52 | 1.4 |
| 2026 | 0.97 | 0.53 | 1.4 |
| 2027 | 0.99 | 0.54 | 1.4 |
| 2028 | 1.0 | 0.56 | 1.4 |
| 2029 | 1.0 | 0.57 | 1.5 |
Routes In Southern Rockies / Colorado Plateau
| Wray Gulch | COLORADO | 11 | 2023 |
| Black Mesa | ARIZONA | 10 | 1995 |
| Walsenburg | COLORADO | 10 | 2024 |
| Piceance Basin | COLORADO | 8 | 2004 |
| Animas 2 | COLORADO | 8 | 2018 |
| Mt. Taylor | NEW-MEXICO | 8 | 2012 |
| Delta | COLORADO | 7 | 2021 |
| Angora | COLORADO | 7 | 2024 |
| Pecos | NEW-MEXICO | 6 | 2017 |
| Claunch 2 | NEW-MEXICO | 6 | 2024 |
| Mt. Taylor 2 | NEW-MEXICO | 6 | 2024 |
| Glen Canyon | UTAH | 6 | 2024 |
| Lost Cr. Res | UTAH | 6 | 2016 |
| Cokedale | COLORADO | 5 | 2024 |
| Animas | COLORADO | 5 | 2004 |
| Moquith Mtn | UTAH | 5 | 2024 |
| Tsaile | ARIZONA | 4 | 2023 |
| Baxter Pass | COLORADO | 4 | 2024 |
| Basin | COLORADO | 4 | 2024 |
| Fence Lake | NEW-MEXICO | 4 | 2024 |
| Horse Mtn | NEW-MEXICO | 4 | 2023 |
| Vernal | UTAH | 4 | 2018 |
| House Rock | ARIZONA | 3 | 2022 |
| Page | ARIZONA | 3 | 2019 |
| Douglas Pass | COLORADO | 3 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.