Species · Wyoming · BBS 2025 Release · 1966–2024
American Coot Population Trend in Wyoming
American Coot in Wyoming has risen sharply: up 71% on the route-weighted index since 1972.
+71%Since 1972
56Routes In State
54Years
Notable American Coot Trends in Wyoming
long arc increasecomputed index
American Coot has risen sharply in Wyoming: up 71% on the route-weighted index since 1972.
American Coot Population Forecast in Wyoming
If the recent trend holds, American Coot in Wyoming is projected to rise about 134% by 2029 — from 0.35 in 2024 to a central estimate of 0.81 (95% range 0.00–1.9). A 5-year backtest shows a typical error of ±171.2%, with 100% of held-out values landing inside the 95% band.
+134%Change by 2029
0.81Projected 2029 index
0.00–1.995% range
±171.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.80 | 0.00 | 1.9 |
| 2026 | 0.81 | 0.00 | 1.9 |
| 2027 | 0.81 | 0.00 | 1.9 |
| 2028 | 0.81 | 0.00 | 1.9 |
| 2029 | 0.81 | 0.00 | 1.9 |
American Coot Survey Routes in Wyoming
| Rawlins | 50 | 1999 | 1988 |
| Hunter Peak | 16 | 2010 | 1982 |
| Carter 2 | 15 | 2024 | 2018 |
| Rock River | 15 | 2022 | 1993 |
| Sybille Cyn | 14 | 2015 | 2014 |
| Natrona | 13 | 1992 | 1973 |
| Dwyer | 13 | 1992 | 1992 |
| Caballa Crk | 10 | 1997 | 1997 |
| Brookhurst | 7 | 2019 | 1970 |
| Glenrock | 6 | 1968 | 1968 |
| Harmony | 6 | 2014 | 1989 |
| Baggs | 5 | 2003 | 1995 |
| Welch | 5 | 1996 | 1981 |
| Green River | 4 | 1984 | 1978 |
| Savery 2 | 4 | 2024 | 2024 |
| Seely 2 | 3 | 2024 | 2001 |
| Mammoth | 3 | 2024 | 1982 |
| Moose | 3 | 2019 | 1976 |
| Dayton | 3 | 2008 | 1980 |
| Seedskadee | 3 | 2015 | 1994 |
| Lamont | 3 | 2012 | 1987 |
| Ne Entrance | 2 | 2021 | 1988 |
| Otto | 2 | 2004 | 2004 |
| Wyarno | 2 | 2022 | 1974 |
| Yellowstone | 2 | 2018 | 1987 |
American Coot Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.