Species · Wyoming · BBS 2025 Release · 1966–2024
Canvasback Population Trend in Wyoming
Canvasback in Wyoming has surged: up 196% on the route-weighted index since 1989.
+196%Since 1989
15Routes In State
26Years
Notable Canvasback Trends in Wyoming
long arc increasecomputed index
Canvasback has surged in Wyoming: up 196% on the route-weighted index since 1989.
Canvasback Population Forecast in Wyoming
If the recent trend holds, Canvasback in Wyoming is projected to stay roughly flat through 2029, near 0.19 (95% range 0.00–0.43). A 5-year backtest shows a typical error of ±180.7%, with 80% of held-out values landing inside the 95% band.
n/aChange by 2029
0.19Projected 2029 index
0.00–0.4395% range
±180.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.18 | 0.00 | 0.42 |
| 2026 | 0.18 | 0.00 | 0.42 |
| 2027 | 0.18 | 0.00 | 0.42 |
| 2028 | 0.19 | 0.00 | 0.42 |
| 2029 | 0.19 | 0.00 | 0.43 |
Canvasback Survey Routes in Wyoming
| Rock River | 21 | 2022 | 2016 |
| Bucknum | 20 | 2000 | 2000 |
| Lovell | 4 | 2002 | 2002 |
| Clark | 3 | 2019 | 2019 |
| Otto | 3 | 2006 | 2006 |
| Bill | 3 | 2000 | 2000 |
| Harmony | 3 | 2022 | 1990 |
| Recluse | 2 | 2016 | 2016 |
| Fontenelle | 2 | 2022 | 2017 |
| Brookhurst | 2 | 2016 | 1983 |
| Carter 2 | 1 | 2024 | 2018 |
| Yellowstone | 1 | 2003 | 2003 |
| Walcott | 1 | 2024 | 1992 |
| Lamont | 1 | 1996 | 1987 |
| Mammoth | 1 | 2008 | 2008 |
Canvasback Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.