Species · BCR 9 · BBS 2025 Release · 1966–2024
Ring-necked Duck In Great Basin
Ring-necked Duck in Great Basin has edged down: down 21% on the route-weighted index since 1983.
-21%Since 1983
44Routes In Region
40Years
Notable Signals
No notable trend signals for Ring-necked Duck in Great Basin. See the full index history below.
Forecast
If the recent trend holds, Ring-necked Duck in Great Basin is projected to rise about 11% by 2029 — from 0.44 in 2024 to a central estimate of 0.49 (95% range 0.08–0.90). A 5-year backtest shows a typical error of ±149%, with 80% of held-out values landing inside the 95% band.
+11%Change by 2029
0.49Projected 2029 index
0.08–0.9095% range
±149%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.47 | 0.06 | 0.87 |
| 2026 | 0.47 | 0.06 | 0.88 |
| 2027 | 0.48 | 0.07 | 0.89 |
| 2028 | 0.48 | 0.08 | 0.89 |
| 2029 | 0.49 | 0.08 | 0.90 |
Routes In Great Basin
| Dorris | CALIFORNIA | 22 | 2017 |
| Modoc Point | OREGON | 21 | 2018 |
| Warner Vally | OREGON | 20 | 2024 |
| Likely | CALIFORNIA | 18 | 2024 |
| Bly 2 | OREGON | 18 | 2021 |
| Clear Lk Res | CALIFORNIA | 15 | 2017 |
| Madeline | CALIFORNIA | 15 | 2024 |
| Tonasket | WASHINGTON | 12 | 2017 |
| Lynn | UTAH | 10 | 2021 |
| Pasadena Val | IDAHO | 6 | 2007 |
| Austin | NEVADA | 6 | 2012 |
| Barnes Val | OREGON | 6 | 1987 |
| Catlow Rim | OREGON | 6 | 2023 |
| Lapham Res. | OREGON | 5 | 2004 |
| Triangle | IDAHO | 4 | 2021 |
| Iron Springs | IDAHO | 4 | 2024 |
| Bald Mtn. | NEVADA | 4 | 2019 |
| Blizzard Gap | OREGON | 4 | 2019 |
| Zumwalt | OREGON | 4 | 2004 |
| Bly | OREGON | 3 | 1997 |
| Nubieber | CALIFORNIA | 2 | 2015 |
| Crowder Flat | CALIFORNIA | 2 | 2007 |
| Blacks Creek | IDAHO | 2 | 2007 |
| Magic Mtn | IDAHO | 2 | 2011 |
| Cedar Hill | IDAHO | 2 | 2018 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.