Species · BCR 9 · BBS 2025 Release · 1966–2024
Clark's Grebe In Great Basin
Clark's Grebe in Great Basin has held roughly steady: down 4% on the route-weighted index since 1988.
-4%Since 1988
24Routes In Region
38Years
Notable Signals
No notable trend signals for Clark's Grebe in Great Basin. See the full index history below.
Forecast
If the recent trend holds, Clark's Grebe in Great Basin is projected to rise about 379% by 2029 — from 0.10 in 2024 to a central estimate of 0.48 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±295.1%, with 100% of held-out values landing inside the 95% band.
+379%Change by 2029
0.48Projected 2029 index
0.00–1.195% range
±295.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.47 | 0.00 | 1.1 |
| 2026 | 0.47 | 0.00 | 1.1 |
| 2027 | 0.47 | 0.00 | 1.1 |
| 2028 | 0.47 | 0.00 | 1.1 |
| 2029 | 0.48 | 0.00 | 1.1 |
Routes In Great Basin
| Bear River | UTAH | 19 | 2023 |
| Bald Mtn. | NEVADA | 14 | 2000 |
| Warner Vally | OREGON | 14 | 2024 |
| Dorris | CALIFORNIA | 11 | 2019 |
| Iron Gate | CALIFORNIA | 11 | 2019 |
| Dobbin Creek | NEVADA | 11 | 2008 |
| Nubieber | CALIFORNIA | 3 | 1999 |
| Madeline | CALIFORNIA | 3 | 2019 |
| Cedar Hill | IDAHO | 3 | 2005 |
| Ingalls | CALIFORNIA | 2 | 1999 |
| Daniels Res | IDAHO | 2 | 2000 |
| Blizzard Gap | OREGON | 2 | 1999 |
| Catlow Rim | OREGON | 2 | 2019 |
| Goshen | UTAH | 2 | 2012 |
| Likely | CALIFORNIA | 1 | 2014 |
| Clear Lk Res | CALIFORNIA | 1 | 2017 |
| Crowder Flat | CALIFORNIA | 1 | 2011 |
| Ririe | IDAHO | 1 | 2011 |
| Pasadena Val | IDAHO | 1 | 2011 |
| Preston | IDAHO | 1 | 1990 |
| Modoc Point | OREGON | 1 | 2014 |
| Malheur Nwr | OREGON | 1 | 1991 |
| Lynn | UTAH | 1 | 2021 |
| Callao | UTAH | 1 | 2013 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.