Species · Nevada · BBS 2025 Release · 1966–2024
Canvasback Population Trend in Nevada
Canvasback in Nevada has collapsed: down 88% on the route-weighted index since 1980.
-88%Since 1980
8Routes In State
19Years
Notable Canvasback Trends in Nevada
long arc declinecomputed index
Canvasback has collapsed in Nevada: down 88% on the route-weighted index since 1980.
Canvasback Population Forecast in Nevada
If the recent trend holds, Canvasback in Nevada is projected to fall about 100% by 2029 — from 0.07 in 2024 to a central estimate of 0.00 (95% range 0.00–0.82). A 5-year backtest shows a typical error of ±98.5%, with 100% of held-out values landing inside the 95% band.
-100%Change by 2029
0.00Projected 2029 index
0.00–0.8295% range
±98.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.01 | 0.00 | 0.82 |
| 2026 | 0.00 | 0.00 | 0.82 |
| 2027 | 0.00 | 0.00 | 0.82 |
| 2028 | 0.00 | 0.00 | 0.82 |
| 2029 | 0.00 | 0.00 | 0.82 |
Canvasback Survey Routes in Nevada
| Fallon | 7 | 1994 | 1994 |
| Bald Mtn. | 4 | 2015 | 1995 |
| Dobbin Creek | 4 | 2009 | 1971 |
| Humboldt Nf | 2 | 1993 | 1993 |
| Cortez | 2 | 2024 | 1970 |
| Virgin Creek | 2 | 2018 | 2000 |
| Ruby Valley 2 | 2 | 2017 | 2016 |
| Ash Meadows | 1 | 1993 | 1993 |
Canvasback Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.