Species · BCR 9 · BBS 2025 Release · 1966–2024
Turkey Vulture In Great Basin
Turkey Vulture in Great Basin has surged: up 296% on the route-weighted index since 1970.
+296%Since 1970
187Routes In Region
56Years
Notable Signals
long arc increasecomputed index
Turkey Vulture has surged in Great Basin: up 296% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Turkey Vulture in Great Basin is projected to fall about 13% by 2029 — from 2.4 in 2024 to a central estimate of 2.1 (95% range 1.3–2.9). A 5-year backtest shows a typical error of ±16%, with 100% of held-out values landing inside the 95% band.
-13%Change by 2029
2.1Projected 2029 index
1.3–2.995% range
±16%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.0 | 1.2 | 2.8 |
| 2026 | 2.0 | 1.2 | 2.8 |
| 2027 | 2.1 | 1.2 | 2.9 |
| 2028 | 2.1 | 1.3 | 2.9 |
| 2029 | 2.1 | 1.3 | 2.9 |
Routes In Great Basin
| Fish Lake | OREGON | 87 | 2024 |
| Iron Gate | CALIFORNIA | 49 | 2019 |
| Ruby Valley 2 | NEVADA | 46 | 2024 |
| Promontory | UTAH | 37 | 2024 |
| Magic Mtn | IDAHO | 27 | 2024 |
| Ingalls | CALIFORNIA | 23 | 2001 |
| Macdoel | CALIFORNIA | 23 | 2019 |
| Grantsville | UTAH | 22 | 2023 |
| Modoc Point 2 | OREGON | 21 | 2024 |
| Rimrock | WASHINGTON | 15 | 2024 |
| Warner Vally | OREGON | 13 | 2023 |
| Cedarville | CALIFORNIA | 11 | 2024 |
| Yakima | WASHINGTON | 11 | 2021 |
| Sisters | OREGON | 10 | 2013 |
| Almo | IDAHO | 9 | 2023 |
| Crowder Flat | CALIFORNIA | 8 | 2017 |
| Bates | IDAHO | 8 | 2019 |
| Dobbin Creek | NEVADA | 8 | 2018 |
| Hiko | NEVADA | 8 | 2023 |
| Ruby Valley | NEVADA | 8 | 2001 |
| Mill City | NEVADA | 8 | 2017 |
| Meadow Vally | NEVADA | 8 | 2024 |
| Modoc Point | OREGON | 8 | 2018 |
| Goshen | UTAH | 8 | 2018 |
| Likely | CALIFORNIA | 7 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.