Species · Wyoming · BBS 2025 Release · 1966–2024
American Wigeon Population Trend in Wyoming
American Wigeon in Wyoming has edged down: down 15% on the route-weighted index since 1971.
-15%Since 1971
66Routes In State
55Years
Notable American Wigeon Trends in Wyoming
No notable trend signals for American Wigeon in Wyoming. See the full index history below.
American Wigeon Population Forecast in Wyoming
If the recent trend holds, American Wigeon in Wyoming is projected to rise about 167% by 2029 — from 0.26 in 2024 to a central estimate of 0.69 (95% range 0.00–1.6). A 5-year backtest shows a typical error of ±191.7%, with 100% of held-out values landing inside the 95% band.
+167%Change by 2029
0.69Projected 2029 index
0.00–1.695% range
±191.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.69 | 0.00 | 1.6 |
| 2026 | 0.69 | 0.00 | 1.6 |
| 2027 | 0.69 | 0.00 | 1.6 |
| 2028 | 0.69 | 0.00 | 1.6 |
| 2029 | 0.69 | 0.00 | 1.6 |
American Wigeon Survey Routes in Wyoming
| Hayden Val | 13 | 1986 | 1985 |
| Highlight | 9 | 1991 | 1982 |
| Wyarno | 8 | 2019 | 1977 |
| Natrona | 7 | 1992 | 1972 |
| Yellowstone | 6 | 2022 | 1987 |
| Bill | 5 | 2000 | 1992 |
| Riverview | 5 | 2022 | 1990 |
| Seedskadee | 5 | 2016 | 1994 |
| Ervay | 4 | 2022 | 2011 |
| Brookhurst | 4 | 2009 | 1969 |
| Upton | 4 | 2024 | 1987 |
| Rawlins | 4 | 2006 | 1988 |
| Nowood | 3 | 2024 | 1990 |
| Elk Horn | 3 | 2015 | 2003 |
| Clark | 3 | 1992 | 1992 |
| Daniel | 3 | 1988 | 1980 |
| Shirley | 3 | 2024 | 1989 |
| Baggs | 3 | 1998 | 1997 |
| Sybille Cyn | 3 | 2024 | 2013 |
| Ne Entrance | 2 | 2016 | 1988 |
| Colter Bay | 2 | 1999 | 1995 |
| Rozet | 2 | 2023 | 2017 |
| Seely 2 | 2 | 2015 | 2001 |
| Gvnt Valley | 2 | 2011 | 2011 |
| Buford | 2 | 1998 | 1995 |
American Wigeon Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.