Species · Idaho · BBS 2025 Release · 1966–2024
Ring-necked Pheasant Population Trend in Idaho
Ring-necked Pheasant in Idaho has collapsed: down 92% on the route-weighted index since 1970.
-92%Since 1970
35Routes In State
56Years
Notable Ring-necked Pheasant Trends in Idaho
long arc declinecomputed index
Ring-necked Pheasant has collapsed in Idaho: down 92% on the route-weighted index since 1970.
Ring-necked Pheasant Population Forecast in Idaho
If the recent trend holds, Ring-necked Pheasant in Idaho is projected to fall about 100% by 2029 — from 1.1 in 2024 to a central estimate of 0.00 (95% range 0.00–13). A 5-year backtest shows a typical error of ±179.3%, with 100% of held-out values landing inside the 95% band.
-100%Change by 2029
0.00Projected 2029 index
0.00–1395% range
±179.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 13 |
| 2026 | 0.00 | 0.00 | 13 |
| 2027 | 0.00 | 0.00 | 13 |
| 2028 | 0.00 | 0.00 | 13 |
| 2029 | 0.00 | 0.00 | 13 |
Ring-necked Pheasant Survey Routes in Idaho
| Preston | 61 | 2023 | 1988 |
| Springfield | 22 | 2018 | 1969 |
| Gifford | 17 | 2017 | 1971 |
| Glenns Ferry | 13 | 1986 | 1968 |
| Joel | 13 | 2024 | 1989 |
| Pocatello | 11 | 2019 | 1979 |
| Crane Creek | 10 | 2019 | 1988 |
| Cedar Hill | 9 | 2024 | 1989 |
| Daniels Res | 6 | 2019 | 1988 |
| Ririe | 5 | 2023 | 1971 |
| Pasadena Val | 5 | 2016 | 1987 |
| Naples | 3 | 2008 | 1973 |
| Baker | 3 | 2024 | 1974 |
| Blacks Creek | 3 | 2017 | 1968 |
| Bates | 3 | 2007 | 1989 |
| Mora | 3 | 2024 | 2018 |
| Mivoden | 2 | 2007 | 1979 |
| Nezperce | 2 | 2007 | 2007 |
| Triangle | 2 | 2007 | 1986 |
| Acequia | 2 | 2012 | 1979 |
| Mud Lake | 2 | 2022 | 1988 |
| Hot Spring | 2 | 2014 | 1988 |
| Grangeville | 1 | 1991 | 1991 |
| Tractor Flat | 1 | 2000 | 2000 |
| Leadore | 1 | 1988 | 1974 |
Ring-necked Pheasant Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.