Species · BCR 9 · BBS 2025 Release · 1966–2024
Gray Flycatcher In Great Basin
Gray Flycatcher in Great Basin has surged: up 614% on the route-weighted index since 1970.
+614%Since 1970
133Routes In Region
56Years
Notable Signals
long arc increasecomputed index
Gray Flycatcher has surged in Great Basin: up 614% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Gray Flycatcher in Great Basin is projected to stay roughly flat through 2029, near 3.1 (95% range 2.2–4.1). A 5-year backtest shows a typical error of ±22.6%, with 80% of held-out values landing inside the 95% band.
+9%Change by 2029
3.1Projected 2029 index
2.2–4.195% range
±22.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 3.0 | 2.0 | 3.9 |
| 2026 | 3.0 | 2.1 | 3.9 |
| 2027 | 3.0 | 2.1 | 4.0 |
| 2028 | 3.1 | 2.1 | 4.0 |
| 2029 | 3.1 | 2.2 | 4.1 |
Routes In Great Basin
| Sheldon Nwr | NEVADA | 43 | 2019 |
| Crowder Flat | CALIFORNIA | 42 | 2019 |
| Charleston Reservoir | NEVADA | 29 | 2024 |
| Bald Mtn. | NEVADA | 29 | 2024 |
| Blitzen | OREGON | 29 | 1993 |
| Ranchogrande | NEVADA | 27 | 2024 |
| Ravendale | CALIFORNIA | 24 | 2008 |
| Dinner Sta | NEVADA | 24 | 1993 |
| Sisters | OREGON | 24 | 2024 |
| Wagontire | OREGON | 22 | 2024 |
| Crowley Lake | CALIFORNIA | 21 | 2024 |
| Blitzen 2 | OREGON | 20 | 2024 |
| Tionesta | CALIFORNIA | 19 | 2021 |
| Barnes Val | OREGON | 19 | 1987 |
| Deschutes | OREGON | 18 | 2024 |
| Buchanan | OREGON | 17 | 2024 |
| Clear Lk Res | CALIFORNIA | 15 | 2018 |
| Bly 2 | OREGON | 15 | 2024 |
| Madeline | CALIFORNIA | 13 | 2024 |
| Paisley | OREGON | 12 | 2024 |
| Lapham Res. | OREGON | 12 | 2024 |
| Dougal Res | IDAHO | 11 | 2024 |
| Crooked Riv. | OREGON | 10 | 2024 |
| Goose Creek Mtn. | UTAH | 10 | 2023 |
| Mizpah | NEVADA | 9 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.